Reviews Back Up Sensor

How to Connect Fire TV with your Echo

  • REAL-TIME MONITORING with Level Sense Pro Water Alarm Sensor lets you know immediately about fluid levels in wells and cisterns. Discover moisture and leaks early so you can act fast and limit damage..
  • WIFI-ENABLED water alarm sensor with float switch monitors temperature, water level, humidity, leak detection and power outage. Cloud check-in monitoring helps deter frozen pipes, flooded basements and more..
  • Back-Up power provided by an auto-recharging internal back-up battery, Level Sense Pro Wifi Water Leak Detector stays on-top of sump pump levels even when storms interrupt electrical service to your home..
  • UNIVERSALLY COMPATIBLE with Android and iOs devices, our wifi water leak sensor can also be wired into your home security system. Free basic portal service includes customizable output responses..
  • WAREHOUSE YOUR DATA with our smart water sensor so you can compare depth histories, pump cycles and run times. See current conditions and tank levels anytime with any tablet, cell phone or computer..
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Steel Keypad Quick Access Jewelry Security Safe Cabinet with Drawers (White)

  • Fireproof for up to 30 min at 1,400° F. Motion Sensor LED Light.
  • Three Solid Steel Locking Bolts. Motion Sensor LED Light..
  • 2 Back-Up Keys. 2 Pre-Drilled Mounting Holes (On Back)..
  • 1 removable glass shelf. 2 Suede-Lined Jewelry Storage Drawers.
  • Weight: 117 lbs. Size: 18 in x 14 in x 17.5 in.
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Wireless Motion Sensor Door Chime: Business Entry Doorbell Indoor Motion Detector Buzzer (500Ft Range, 32 Tunes, 5 Level Volume) Store Entrance Alert Bell Bed Alarm for Elderly Dementia Patients

  • 【32 UNIQUE CHIMES & 5 VOLUME LEVELS】Motion sensor doorbell features 32 unique ringtones including alarm sounds, door bell ring, and long ringtones.
  • 5 adjustable volumes (0-110dB) with silent mode meet your needs for different occasions. The LED light indicator flashes to perform a visual alert, excellent security alert for the hearing impaired..
  • 【MOTION SENSOR ALARM FOR ELDERLY】Motion sensor can be mounted to the wall/by doorways, when sensor field is crossed, It transmits the signal to caregiver pager within the 500ft.Motion sensor pager easy to monitor elderly getting out of bed or leaving the room, allows caregivers to free up time for housework while the patient is sleeping and freely monitor movement remotely. Also great to alert business owners that are working in the back, or out of sight, to customers entering retail store..
  • 【Wide Wireless Range】The indoor motion sensor alarm detects movement within 16- 26ft range x 110°, with a Working Range up to 500ft between the aregiver pager and motion sensor, allowing you to place it a good distance from the receiver. just place the sensor at the offices, stores door, front or back doors of factories,....
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Optex RC-20U 3 Channel Receiver Chimebox w/ Relay

  • Reliable & Dependable: 1/3-mile long range (1760 ft..
  • 536m) tested in real-world settings with trees, buildings, walls, and vehicles for an accurate....
  • Multi-functional Receiver: The included receiver also works as a clock and alarm with completely adjustable chimes! Customize your chimes, sounds,....
  • Rechargeable & Expandable Sensor: With the solar panel, the sensor is equipped with a rechargeable battery for up to 24 months on a full charge!....
  • Super Easy To Install And Customize: Install this wireless outdoor motion alert system in just a few minutes! Simply place your sensor(s) (expands up....
  • [100% Satisfaction ] Love it or your money back! We provide a lifetime service for our outdoor motion sensor. Please feel free to contact us if you....
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Sensor Motion Repl 180 Deg BRZ

  • Reliable & Dependable: 1/3-mile long range (1760 ft..
  • 536m) tested in real-world settings with trees, buildings, walls, and vehicles for an accurate measure of wireless range. Weatherproof Motion sensors—works well in rain or snow!.
  • Multi-functional Receiver: The included receiver also works as a clock and alarm with completely adjustable chimes! Customize your chimes, sounds, volumes, and more!.
  • Rechargeable & Expandable Sensor: With the solar panel, the sensor is equipped with a rechargeable battery for up to 24 months on a full charge! Easily adjust the sensor’s sensitivity to avoid interference like leaves or small animals, or expand your security zone to up to 8 additional sensors!.
  • Super Easy To Install And Customize: Install this wireless outdoor motion alert system in just a few minutes! Simply place your sensor(s) (expands up to 8) anywhere on your property, and get a customized in-home chime the second a person, vehicle or large animal moves within 30 feet of your detection zone! For more information, please read the included instructions and Quick Start Guide carefully before use..
  • [100% Satisfaction ] Love it or your money back! We provide a lifetime service for our outdoor motion sensor. Please feel free to contact us if you have an....
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Physical Security: 150 Things You Should Know

  • Reliable & Dependable: 1/3-mile long range (1760 ft..
  • 536m) tested in real-world settings with trees, buildings, walls, and vehicles for an accurate measure of wireless range. Weatherproof Motion sensors—works well in rain or snow!.
  • Multi-functional Receiver: The included receiver also works as a clock and alarm with completely adjustable chimes! Customize your chimes, sounds, volumes, and more!.
  • Rechargeable & Expandable Sensor: With the solar panel, the sensor is equipped with a rechargeable battery for up to 24 months on a full charge! Easily adjust the sensor’s sensitivity to avoid interference like leaves or small animals, or expand your security zone to up to 8 additional sensors!.
  • Super Easy To Install And Customize: Install this wireless outdoor motion alert system in just a few minutes! Simply place your sensor(s) (expands up to 8) anywhere on your property, and get a customized in-home chime the second a person, vehicle or large animal moves within 30 feet of your detection zone! For more information, please read the included instructions and Quick Start Guide carefully before use..
  • [100% Satisfaction ] Love it or your money back! We provide a lifetime service for our outdoor motion sensor. Please feel free to contact us if you have an....
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PWNAGE Ultra Custom Ambi Wireless Gaming Mouse - Esports Pro Gamer Adjustable Sensor Position - Flawless PMW3370 Optical Sensor 19,000 DPI

  • Featuring the latest patented sensor adjustment technology to fine-tune to your specific preferences. From front-to-back sensor positions, offering up to 14% of through-put (speed and accuracy) and reduces path deviation while aiming up to 23%.
  • Pure Aim Technology: Flawless Pro Grade Optical Sensor - Pixart 3370 gaming sensor with Maximum resolution up to 19000DPI.
  • Max. acceleration: 40G, Max Speed 400 IPS , Kaihl GM Micro Switch with 80 million clicks.
  • Mouse Feet: The ultra custom is equipped with 100% PTFE Skates with custom rounded edges are optimized for buttery smooth glide and movement control..
  • 8 buttons Left and Right Hand suitable mouse that includes swappable button shells, top shells, dpi and side buttons.
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Wireless Driveway Alarm 1800 Feet Long Range Motion Sensor Alert System Driveway Detector for Home with 1800mAh Rechargeable Battery 1&4-Brown

  • Reliable & Dependable: Guaranteed 1/3-mile long range (1760 ft.
  • 536m) tested in real-world settings with trees, buildings, walls, and vehicles for an....
  • Multi-functional Receiver: The included receiver also works as a clock and alarm, customize your chimes, volumes, and more!.
  • Reliable & Expandable Sensor: The sensor is equipped with a rechargeable battery for up to 12 months on a full charge! Easily adjust the sensor’s....
  • Super Easy To Install And Customize: Install this wireless outdoor motion alert system in just a few minutes! Simply place your sensor(s) (expands up....
  • [100% Satisfaction ] Love it or your money back! We provide a lifetime service for our outdoor motion sensor. Please feel free to contact us if you....
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Wireless Annunciator Kit Alarm System Infrared 2000 ft Range 418MHZ 9V Battery AC Adapter

  • Reliable & Dependable: 1/3-mile long range (1760 ft..
  • 536m) tested in real-world settings with trees, buildings, walls, and vehicles for an accurate....
  • Multi-functional Receiver: The included receiver also works as a clock and alarm with completely adjustable chimes! Customize your chimes, sounds,....
  • Rechargeable & Expandable Sensor: With the solar panel, the sensor is equipped with a rechargeable battery for up to 24 months on a full charge!....
  • Super Easy To Install And Customize: Install this wireless outdoor motion alert system in just a few minutes! Simply place your sensor(s) (expands up....
  • [100% Satisfaction ] Love it or your money back! We provide a lifetime service for our outdoor motion sensor. Please feel free to contact us if you....
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Polygraph Lie Detector Machine with 7 sensors Camera Made in Israel

  • Reliable & Dependable: 1/3-mile long range (1760 ft..
  • 536m) tested in real-world settings with trees, buildings, walls, and vehicles for an accurate measure of wireless range. Weatherproof Motion sensors—works well in rain or snow!.
  • Multi-functional Receiver: The included receiver also works as a clock and alarm with completely adjustable chimes! Customize your chimes, sounds, volumes, and more!.
  • Rechargeable & Expandable Sensor: With the solar panel, the sensor is equipped with a rechargeable battery for up to 24 months on a full charge! Easily adjust the sensor’s sensitivity to avoid interference like leaves or small animals, or expand your security zone to up to 8 additional sensors!.
  • Super Easy To Install And Customize: Install this wireless outdoor motion alert system in just a few minutes! Simply place your sensor(s) (expands up to 8) anywhere on your property, and get a customized in-home chime the second a person, vehicle or large animal moves within 30 feet of your detection zone! For more information, please read the included instructions and Quick Start Guide carefully before use..
  • [100% Satisfaction ] Love it or your money back! We provide a lifetime service for our outdoor motion sensor. Please feel free to contact us if you have an....
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The Rise and Fall of Little Voice - A Play

  • Works as a pull-string monitor OR sensor pad monitor and can easily be transferred from bed to wheelchair and back, thus eliminating the need for multiple monitoring devices.
  • The alarm alerts when the magnetic pull-string is pulled free of the monitor or when pressure is removed from weight-sensing pad.
  • Monitor automatically resets when the magnetic pull cord is replaced or when pressure is re-applied to the connected sensor pad.
  • Eliminate startling alarm noise by recording a personalized message to be played back when the alarm is activated. With up to 15 seconds of playback time available..
  • Purchase Includes your Choice of Accessory Option - All Options include a pouch of 30 Audiologist's Choice Sensor Pad Cleaning Wipes.
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ThermoPro TX-2B Additional Humidity Sensor Fitting Outdoor Waterproof Transmitter for 915MHz Indoor Outdoor Thermometer Wireless Outside Thermometer and Temperature Monitor

  • Additional Sensor: Outdoor temperature sensor is compatible with ThermoPro 915MHz indoor outdoor thermometers.
  • (Before purchasing a new transmitter, please confirm the model and frequency of the transmitter you already own.).
  • 500FT Remote Range: Additional remote temperature monitor sensor transmits temperature and humidity readings for ThermoPro indoor outdoor thermometer up to 500 feet/150m range.
  • Humidity & Temperature Range:The outdoor thermometer wireless sensor temperature range is -4°F to 158°F (-20°C to 70°C),Temperature accuracy is(±2°F).
  • Humidity range is (10% ~ 99%),Humidity accuracy is (±2to3%RH).
  • Monitoring Up to 4 Locations: With additional inside outside thermometer remote thermometer wireless sensors, you can track environmental conditions in 4 locations at most. The outdoor thermometer sensor initial channel is channel ONE, when connecting, please ensure to slide button on the back to set channel 1, 2, 3.
  • Multiple Mounting Options: Place the wireless temperature sensor anywhere with the tabletop and wall-mounted design.
  • Requires 2 AAA batteries (batteries included).
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Ambient Weather WS-100-F007PF Smart Home Weather Station WiFi Module w/ Pool & Spa Sensor

  • Includes WiFi module and (1) F00PF pool /spa sensor.
  • Easily connects to routers and smart devices using WAP, up to 80 feet open air/line of sight.
  • NIST time synchronization from Internet with Auto DST, and optional calibration of all measured parameters.
  • Module powered by 6V, 500mA adapter (included).
  • Sensor has ssolar panel with 4 x AAA battery back-up (not included).
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