Reviews Humidity Detector With Alarm

Driveway Alarms Wireless Outside Weatherproof - Motion Sensor Alarms System Motion Detector Plug-in Receiver Loud Chimes Security Alert Monitor System 500FT Long Range Outdoor Alarms Detection

  • ...ver.It alerts homeowners of unexpected intruders or visitors, keeping your property and loved ones more secure.
  • ACCRUATE DETECTION & WIRELESS - 2022 Upgrade Model Driveway alarm sensor has a detection range from 15ft to 26ft (not obstacle).wireless security alarms detection chime influenced of different temperature, humidity, obstacles, motion sensor alarm detection range will fluctuate.It uses upgraded technical components and superior manufacturing techniques to improve the infrared detection chip, reducing false driveway alarms caused by fog/rain/snow/haze/wind/sun glare changes, etc.
  • WATHERPROOF IP44 & ROTARY INSTALLATION- The Newest Upgrade Model 2022 wireless driveway alarm monitor sensor has excellent waterproof & anti-freeze functions that designed with IP44 materials.Also, motion detector alarm is swivel mount with 360° to refine the focus and detection angle of the sensor..
  • 32 RINGTONES & 4 VOLUME LEVELS - Security Alarms Detection Chime has 32 ringtones and 4 adjustable volume levels for personal preferences. When the alert system receiver receives the signal from the motion sensor detector, the LED indicator light will flash and remind homeowner to protect perimeter property security..
  • PLUG-IN SUPER EASY TO USE - Freetim driveway alarm recei....
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LYCHL Indoor Air Quality Monitor Formaldehyde Detector HCHO Monitor VOC Meter Temperature & Humidity Meter with Alarm Clock

  • 【REAL-TIME MONITORING】This Formaldehyde Detector can accurately monitor HCHO concentration, air quality, environmental humidity, and temperature in real-time. The indoor air quality meter is embedded with a high-performance chip with a precision sensor. Indoor air quality can be monitored anytime and anywhere..
  • 【LED Display 】This HCHO monitor is simple in design, 7.6-inch LED display with no refection, which could be seen clearly in any corner. Digital alarm clock is as add-on feature..
  • 【Color Warning and Sounding Alarm】0-0.100mg/m³: value display is white, no sound.
  • 0.101-0.130mg/m³: value display is yellow, alarm every 15 seconds.
  • 0.131-0.300mg/m³: value display is orange, alarm every 5 seconds.
  • 0.301-0.500mg/m³: value display is red, alarm every 2 seconds. When the alarm is activated, any key can be used. During the alarm period, pressing any key will clear the alarm..
  • 【Portable and Easy to hang on】Comes with the adhesive strip.Design with hang hole. You can hang the HCHO monitor on the wall very easy or move it to place on the desk. The portable smart carbon dioxide detector can help us detect the carbon dioxide content in the living room, kitchen, bedroom, office, school, car, hotel, travel, camping, party, etc..
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MOES Smart CO2 Detector, Indoor Air Quality Monitor, NDIR Sensor Carbon Dioxide Detector, Temperature Humidity Air Tester for CO2 Alarm, Smart Life Tuya APP Digital CO2 Meter

  • 【Compatible with Tuya Smart/Smart Life APP】Intelligently monitor your house air condition for CO2 concentration, temperature and humidity value on smart phone via Tuya Smart APP when you are not at home, no more worry about sudden accidents. And you can transfer the Temp. valve between ℃ and ℉ easily in APP or directly via the button on the detector..
  • 【3 in 1 Multifunctional Carbon Dioxide Meter】The 3 in 1 CO2 monitor can detect real-time CO2 concentration, together with clear display on indoor&outdoor humidityand temperature for extremely comfortable and safe life experience. CO2 detection range is featured from 400 to 5000PPM, temperature detection range from 0 to 50℃ and 0-99%RH for humidity detection range, fits well for agricultural planting, production warehouse, raw material processing, home, school, office, and other occasions..
  • 【CO2 Concentration Stage& Sound Alarm】 This CO2 detector is functional with 3 stages of CO2 concentration—normal stage (400-700 ppm), warning stage (700-1500 ppm), and dangerous stage (1500-5000 ppm) and will alarm when the detected CO2 concentration is beyond the safe value you customized to monitor house....
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Smart PIR Motion Sensors: WiFi Motion Detector with Temperature and Humidity Sensor, USB/Battery Powered Movement Detector, Compatible with Alexa Google Home, for Smart Home Automation

  • ...e real-time monitoring. Once movement is detected or when disassembling with external force, instant notifications will be sent to your devices within a few seconds. Make Your Home Smarter..
  • BUILT IN SMART HYGROMETER AND THERMOMETER: Except for motion tracking, 3-in-1 Smart Motion Sensor alarm access temperature and humidity accurately,Remotely monitor temperature humidity. Send alerts via app when temperature or humidity goes out of preset value.(Support Alxea voice control to query temperature and humidity, and the alerts are sent via the App).
  • DUAL POWER SUPPLY AND LINKAGE FUNCTION: Motion detector alarm indoor can be powered by the included USB cable(included) or CR123A battery(included). More stable to receive alert.Long-term power supply,say goodbye to power outages. It can linkage with other smart home products, such as smart lights or door sensors, etc. Setting custom scenes in your smart home system, for example, turning on the lights if motion is detected..
  • 2.4GHz WiFi One-KEY CONNECT EASY SETUP: Don't need home gateway,you can easily achieve the intelligent control of home appliances,simple operation,easy to use..
  • SECURITY ALARM SYSTEM--CUSTOMERS: We guarantee that our 3- in-1 Infrared sensor alarms are qualified, and provide 24 months warrant....
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DENFOON WiFi Home Security System Kit 8-Piece (2.4GHz), with 2 Remote Control, 5 Door Window Sensors, 1 Motion Detector Alarm Host, Compatible with Alexa and Google Assistant

  • 【8-piece WiFi home security system kit 】The package includes 1 motion detector alarm host , 5 door alarm sensor, 2 remote control. The motion detector alarm host connects with 2.4GHz WiFi Router and the door alarm sensor connects with the motion detector alarm host..
  • 【Work with Alexa & Google Assistant】 Our home security system is compatible with Alexa and Google Assistant, very convenient to use..
  • 【Real Time Alerts】When the door or window are opened or unexpected motion is detected, the alarm host will make a sound up to 110dB and send a notification to your phone by tuya app, giving you a lot of peace of mind when you aren't home..
  • 【DIY Home Security System 】There are armed, disarmed and home modes that you can choose, also you can change detailed settings according to your needs by app,such as delay the alarm, name the alarm sensor.
  • you can control the system by remote controller too..
  • 【With PIR】The host can work as a motion detector with PIR. What’s more, the area of the detector is cylindrical, will effectively decrease the false positive rate..
  • 【 No subscription Fees】Denfoon home security system is one-time purchased, no more other monthly fees needed, saving you money..
  • 【Backup Battery and Low Battery Alert】The motion d....
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DENFOON WiFi Home Security System Kit 5-Piece (2.4GHz), with 2 Remote Control, 2 Door Window Sensors, 1 Motion Detector Alarm Host, Compatible with Alexa and Google Assistant

  • 【5-piece WiFi home security system kit 】The package includes 1 motion detector alarm host , 2 door alarm sensor, 2 remote control. The motion detector alarm host connects with 2.4GHz WiFi Router and the door alarm sensor connects with the motion detector alarm host. WiFi range 260ft without obstacles..
  • 【Work with Alexa & Google Assistant】 Our home security system is compatible with Alexa and Google Assistant, very convenient to use..
  • 【Real Time Alerts】When the door or window are opened or unexpected motion is detected, the alarm host will make a sound up to 110dB and send a notification to your phone by tuya app, giving you a lot of peace of mind when you aren't home..
  • 【DIY Home Security System 】There are armed, disarmed and home modes that you can choose, also you can change detailed settings according to your needs by app,such as delay the alarm, name the alarm sensor.
  • you can control the system by remote controller too..
  • 【With PIR】The host can work as a motion detector with PIR. What’s more, the area of the detector is cylindrical, will effectively decrease the false positive rate..
  • 【 No subscription Fees】Denfoon home security system is one-time purchased, no more other monthly fees needed, saving you money..
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Govee WiFi Water Leak Sensor 3 Pack Bundle with Govee Bluetooth Indoor Thermometer Hygrometer with Notification Alert

  • Real-time Alerts: Connect the gateway to WiFi, and the water leak detector will instantly send emails, App notifications & alerts to your phone when water leakage occurs even you're not at home. Water sensors and gateway are paired right out of the box..
  • Loud Alarm with Mute: If WiFi is not temporarily available, our 100dB water alarm is loud enough to be heard. Press the Mute button to silence the alarm when you find the leak..
  • Drip and Leak Alerts: Water sensor comes with 2 groups of back water detector probes & 1 group of front probes for pipe dripping detection. Use the App to name each sensor with its location..
  • Remote Bluetooth Monitor: You can always keep an eye on temp and humidity conditions via the app anywhere inside the house within the Bluetooth range(70m/230ft). Support pairing multiple smart thermometers to the Govee Home app for different usage..
  • Accuracy & Fast Response: With a built-in Swiss-made sensor, this thermometer hygrometer provides accurate instant readings (±0.54°F/Celsius and ±3%RH). Smart alert notification via Bluetooth on your app helps you react faster to surrounding changes..
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CO2 Monitor Air Quality Monitor CO2 Meter CO2 Detector Carbon Dioxide Monitor NDIR CO2 Sensor with Humidity and Indoor Thermometer Monitor (CO2)

  • 【REAL-TIME MONITORING】This carbon dioxide detector can accurately monitor CO2 concentration, air quality, environmental humidity, and temperature in real-time. The indoor air quality meter is embedded with a high-performance chip with a precision sensor. Indoor air quality can be monitored anytime and anywhere..
  • 【LED Display 】This co2 monitor is simple in design, 7.6-inch LED display with no refection, which could be seen clearly in any corner..
  • 【Color Warning and Sounding Alarm】400-1000ppm: value display is white, no sound.
  • 1001-2000ppm: value display is yellow, alarm every 15 seconds.
  • 2001-3000ppm: value display is orange, alarm every 5 seconds.
  • 3001-5000ppm: value display is red, alarm every 2 seconds. When the alarm is activated, any key can be used. During the alarm period, pressing any key will clear the alarm..
  • 【Portable and Easy to hang on】Comes with the adhesive strip.Design with hang hole. You can hang the CO2 monitor on the wall very easy or move it to place on the desk. The portable smart carbon dioxide detector can help us detect the carbon dioxide content in the living room, kitchen, bedroom, office, school, car, hotel, travel, camping, party, etc..
  • 【Flexible Power Supply&Warranty】CO2 Meter is powered by 5V2A(USB ca....
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Langkou Air Quality Monitor Indoor, Carbon Dioxide Detector Portable Carbon Dioxide Monitor, CO2/Temperature/Humidity Meter, NDIR Sensor, Confined Space Air Monitor Tester Alarm, for Room/Car/School

  • 【PROTECTS EVERY BREATH】- Air Quality Monitor from Langkou, When it comes to the health of your family, Langkou knows that every breath counts. Our 3-in 1 Air quality monitor Indoor (CO2/Humidity/Temperature) with powerful NDIR sensors, real-time detection of major CO2 air pollution and simultaneous monitoring of room temperature and humidity, all displayed on a sleek, clear LED screen. Always protect the health of your family..
  • 【PROFESSIONAL PRECISION SENSOR】- NDIR CO2 sensor is a professional grade particle sensor, the best chip for indoor air quality monitors. Large air inlet and outlet duct design allows the internal sensor to accurately analyze each particle, while the CO2 concentration sampling takes only 1.5s. Bringing together the world's top technology, it provides you with the most accurate air pollution monitoring..
  • 【SOUND ALARM & CO2 CONCENTRATION STAGE】- This Carbon Dioxide Detector is designed with 4 stages of CO2 concentration—normal stage /warning stage/dangerous stage/very dangerous stage. With our Carbon Dioxide Detector, you can set the alarm threshold between 800-2000ppm, and it will alert you when the detected CO2 concentra....
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Air Quality Monitor Indoor, CO2 Detector, 6-in-1 Air Pollution Carbon Dioxide Detector with PM2.5/1/10, Temperature, Humidity Professional Sensor Real Time Reading, CO2 Alarm Meter

  • 【Know The Air Around You】: The air quality tester has built-in advanced Infrared (NDIR) & laser scattering detection sensors designed to accurately track air quality including CO2, PM2.5、PM1.0 and PM10 (particulate matter), temperature and humidity. Tips: Please let the device work short mins outdoor before use for most accurate results..
  • 【10 hours+ long standby & Auto Alarm Function】: The built-in 2000 mAh battery can provide more than 10 hours of standby time when fully charged, in addition to real-time power through the included usb charging cable, this enables long-term monitoring of air quality level. Press the main function key twice quickly to turn on/off the automatic alarm function (An alarm will be issued when the CO2 reading exceeds 1000ppm)..
  • 【2.8inch Instant Readout】: Professional sensors require a sampling time of only 1.5s, which can display the current air quality on the screen in real time. The CO2 detector uses a 2.8in large size display, which can show the readings simply and intuitively (The reading of PM1/PM2.5/PM10 automatically switches every 5s)..
  • 【Portable CO2 Detector】: A portable detector the size of a palm, is easy to carry and can detect the gas quality in bedroom, living room, kitchen, office, car, school,....
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INKBIRDPLUS Indoor CO2 Detector, Air Quality Monitor, Tester for Carbon Dioxide, Temperature and Relative Humidity, Indoor CO2 Monitor with Alarm, for Grow Tents, Wine Cellars, Homes, Cars(PTH-9C)

  • ️️【PREMIUM DETECTOR】 This multifunctional air quality monitor can accurately detect the current CO2 concentration, temperature, and humidity in the air. It can help you understand indoor air quality at a glance..
  • ⏰⏰【CO2 CONCENTRATION STAGE & SOUND ALARM】 This CO2 detector is designed with 3 stages of CO2 concentration—normal stage (400-700 ppm), warning stage (700-1500 ppm), and dangerous stage (1500-5000 ppm). It will alarm you when the detected CO2 concentration is beyond the safe value you customized..
  • ️️【CONVENIENT CALIBRATION】 To ensure the accuracy of measurement, this CO2 monitor supports the calibration function. Press three buttons at the same time in an open environment and let it stand for 200 seconds to calibrate this CO2 meter easily. This CO2 detector uses the NDIR CO2 sensor..
  • 【LONG BATTERY STANDBY】 A 2400 mAh lithium battery is embedded inside the indoorCO2 monitor, supporting a long time of continuous use, before it adopts a large and distinct LED screen for ease for temperature or data viewing. display based on your need..
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Smoke and CO Alarm Detector Combo Unit Battery Operated

  • ✔️ Smoke Detector and Carbon Monoxide Detector Alarm Combo Unit.
  • ✔️ This Smoke& carbon monoxide detector suitable for all where it is possible to produce carbon monoxide, such as your home kitchen, bedroom, bathroom, hotel, or you are in the barbecue time,.
  • ✔️ When carbon monoxide and smoke rise to alarm levels, the 85 dB alarm provides a clear, loud warning when it is discovered..
  • ✔️ Dual high stability sensors- Minimize carbon monoxide and smoke detector alarm false positive.
  • ✔️ Unit Comes With with Long Live Batteries.
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WODMB Thermometer 3-in-1 Intelligent Carbon Dioxide Detector Lightweight Measuring Tool Indoor Air Quality Monitor Thermometer Hygrometer Indoor

  • Carbon Dioxide Detector: Real-time and accurate monitoring of CO2 concentration, environmental humidity and temperature, with a date and clock display, and the data is updated in real time every 4 seconds..
  • Independent Semiconductor Sensor: Used to measure CO2, temperature and humidity, full-color large screen, LED digital display, intelligent backlight, soft eye protection, intuitive reading, clearer display, 24-hour real-time monitoring..
  • Long Battery Life: Use 3 AA batteries (you need to bring your own) or use the USB data cable TYPE-C interface to supply power, and the battery life can last up to half a month..
  • Automatic Alarm System: When the CO2 concentration exceeds 1000PPM, an alarm will be issued to notify you to keep the indoor environment ventilated in time..
  • Lightweight Design: Small size, easy to carry, and can be used directly by plugging in the USB cable. Can be placed anywhere: schools, offices, bars and restaurants, homes, cars, etc..
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