Reviews Recognition Semiconductor

Fingerprint Lock Laptop Backpack Travel Backpack Anti Theft Bag with USB Charging Port Water Proof College Business Backpack for Women Men Fits 15 inch Laptop Casual Hiking Daypack Fiber material

  • Smart Fingerprint Lock business backpack ：Can contain 15-inch laptop-unlock by fingerprint within 1s -Waterproof fabric.
  • Anti-theft intelligent fingerprint lock：Zinc alloy lock body, anti-theft and clone semiconductor biological fingerprint recognition.Technology....
  • USB charging backpack:The intimate external USB charging interface design on the side..
  • Laptop Backpack (fingerprint anti-theft): Scientific and reasonable storage design can accommodate 15-in.
  • Multifunctional backpack:Internal wrap design, breathable pressure relief pad, Eight-shaped decompression shoulder strap, Adopt multi-layer elastic....
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Arlo Audio Doorbell, White (AAD1001-100NAS)

  • UNLOCK by: fingerprint, user code, user code + fingerprint, fingerprint +fingerprint, mechanical keys. Double verification mode increase lock security level significantly..
  • Semiconductor Fingerprint sensor: Sensing array: 160*160 pixel. The flexibility to adapt to the conditions was the fingers, whether it is dry fingers, wet fingers, light texture fingerprints fingers, and old fingers, all have high recognition rate..
  • Support up to 100 fingerprints and 100 user defined 4-12 digit Anti-peep codes (you may input any prefixes and suffixes number)..
  • REVERSIBLE HANDLE: This lock fits either left or right handed door.
  • Removable key cylinder lets the user make key copy or re-key without bringing the whole lock..
  • Outside chassis double-shell heavy duty construction design , fits a USA standard 2-1/8" diameter bore Hole with a thickness of 1-1/4" to 2-1/4" door..
  • NOTE: The distance between top of lock and lever centerline is 6 inches. Please make a measurement if there is deadbolt lock on your door. Make sure if the lock will fit your door before you purchase this lock..
  • Note: The lock is non-weatherproof, Designed for INTERIOR door. Please search scyan X9 or X5 for exterior door lock..
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Cooling Fan Kit，Ultimate 3510 Cooling Fan Kit with Heatsink for The Latest Raspberry Pi 3B

  • FOR LEARN AND RESEARCH: Suitable for semiconductor refrigeration study, research solutions, development of refrigeration equipment planning.
  • WIDE APPLICATIONS: Semiconductor refrigeration system can be used for slab cooling, pet bed cooling, small space cooling.
  • 72W HIGH POWER: Semiconductor cooler possess high cooling power up to 72W, which is a perfect cooling device for fish , useful and practical.
  • NO REFRIGERANT REQUIRED: Semiconductor refrigeration water chiller support stable operation, low noise, no need for refrigerant.
  • CORROSION RESISTANT ALUMINUM ALLOY: Adopt good quality aluminum alloy material, light weight, has good strength and good corrosion resistance.
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99.99% Silicon Metal Si Metal Element High Purity 14 Semiconductor Monocrystalline Si Block 10 g / 50 g(50 g)

  • GOOD SEMICONDUCTOR MATERIAL---The electric conductivity of the silicon metal strengthens as temperature rises, so it is a good semiconductor material.
  • PERFECT Original MATERIAL---The silicon metal is perfect Original material for monocrystalline wafer production.
  • 99.99% HIGH PURITY---The silicon metal is of 99.99% high purity monocrystalline silicon block.
  • INDUSTRIAL APPLICATION---The silicon metal can be used to produce converter, transistor, diode, etc.
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Peltier Cooler Semiconductor Refrigeration Cooling System DIY Kit 12V 6A Thermoelectric Peltier for Mini Air Conditioner

  • ADVANCED TECHNOLOGY-- Semiconductor coolers are a form of solid state cooling. The thermoelectric peltier adopts semiconductor technologies and electronic assembly techniques..
  • FEATURE-- Refrigeration effect depends on the size of the cooling space, ambient temperature, heat insulation, seal ability, etc..
  • WIDE APPLICATION-- This thermoelectric cooler can be widely used for small space cooling, air cooling dehumidification, semiconductor refrigeration learning theory and more..
  • EASY INSTALLATION-- The semiconductor refrigeration has compact size and simple construction for easy installation, convenient to use..
  • GOOD COOLING EFFECT-- It has low noise, and can cool down quickly, ideal for small area cooling..
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ESUMIC DC 12V DIY Thermoelectric Peltier Refrigeration Cooling System Kit Semiconductor Cooler Conduction Module + Radiator + Fan + TEC1-12706

  • 1. Material: Adopt TEC1-12706 semiconductor chilling plate, good quality for use..
  • 2. Structure: Complete sealed structure, isolating the moisture in the air..
  • 3. Application: Include TEC1-12706 semiconductor cooler and other accessories, easy to install. Compact size can be installed anywhere, easy installation. Suitable for small space cooling,semiconductor refrigeration learning theory, research solutions developed cooling equipment planning..
  • 4. Performance: High cooling efficiency, easily cooling down within a few minutes. Mini air conditioner for pet or little fridge..
  • 5. Effect: Great DIY kit for electronic enthusiasts in semiconductor cooling applications..
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Portable Cooling Module 12V 10A 120W,Semiconductor Refrigeration Pieces Kit Thermoelectric Peltier Air Cooling Device with 12706 Chip for Pet Bed Cooling Small Space Cooler

  • Voltage Specifications: This semiconductor cooler 12V.
  • Premium Making Material of This Semiconductor Refrigeration: Aluminum + plastic fan..
  • Dual-core Semiconductor: 200 x 120 x 100mm / 7.87 x 4.72 x 3.93 inch..
  • Multiple Using Features: No noise, no vibration, no refrigerant required. The Air Cooling Device is suitable for small space cooling,semiconductor refrigeration learning theory, research solutions developed cooling..
  • Widely Applicated Fields: The Cooling Module can used for plate cooling, pet bed cooling, test bench, small space cooling..
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zinhsq Smart Padlock, Bluetooth Padlock, Keyless Padlock for iOS/Android, Unlock via Fingerprint/APP, Suitable for Gym, Sports, Bike, School, Fence and Storage

  • Unlock: APP Unlock, Finger Unlock. The product support two administrators. USB Interface: The product is charged by USB. Please fully charge the product for the first time..
  • Fingerprint Sensor: semiconductor fingerprint sensor technology, High rate of recognition, Family and friend share, up to 8 sets fingerprint can be stored to unlock. Portable, small size and light weight..
  • Easy Operation: Friendly to kids and elderly, your finger is the key which discourages the thief to crack the code. Waterproof: The whole lock is waterproof , suitable for both indoor and outdoor.
  • The product has the features of low power consumption and long standby time. With 1 piece 300MAH lithium polymer battery, The longest standby time can last for 1 years. Maximum number of unlocks up to 2,000 times..
  • Wide Application: Indoor padlock is best used as a school Locker lock and gym lock, suitable for suitcases, golf bags, handbags, school lockers, furniture, wardrobes, bicycle ect.
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Fingerprint Padlock, Smart Keyless Bluetooth Lock APP/Fingerprint Unlock Anti-Theft Padlock Door Luggage Case Lock for Android iOS System Suitable for Gym, Backpack, School, Fence and Storage

  • ...lock can register up to 10 sets of fingerprints. You can also authorize and share the lock to your family/friend to use it. Connect smart padlock to free mobile app by Bluetooth. You can use the app to register fingerprints, unlock, set authorized user.
  • 【APP&Bluetooth Function】-- Thanks to the high-tech biometry semiconductor sensor and Bluetooth tech, the thumbprint padlock is responsive that it only takes less than 0.5secs to unlock without the hassle of recognition error. The fingerprint lock can also record the unlocking person, unlocking time, unlocking location, and checking the usage time and location in real time..
  • 【Extreme Long Run Time & USB Rechargeable】-- This smart fingerprint padlock equips with a 180MAH lithium battery, which has low power consumption and long standby time. It can unlock for about 2000 times in one charge. It will remain locked when out of battery, simply charge it with a USB power supply(not over 5V) and it will resume working.
  • 【360° Fingerprint Recognition】-- Friendly to kids and elderly, no need for an key,. Just follow the direction in the guidebook to enter or delete the fingerprint, Move the finger at multiple angles when entering the fingerprints, to better recognize the fingerprint when unlocking.
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GEKRONE Fingerprint Lock with Touchscreen Smart Room Door App Digital Lever Lock Keyless Entry Front Door knob with Keypad Suitable for Home&Hotel&Office&Indoor Door（T190）

  • ...terial, anti-corrosion, sleek and modern, it has a simple, stylish bold look. It is ideal for home office, apartment, garage entrance door, storage room, warehouse, basement, bedroom, etc..
  • Fast fingerprint recognition technology ▶This is high-tech intelligent biometric fingerprint door lock handle, using advanced semiconductor biometric fingerprints identification technology. This biometric fingerprint recognition technology can read fingerprints in 360 degrees within 0.3s, very nice touch and rounded ergonomically, it is easy to program different fingerprints for keyless access by the whole family..
  • App Control ▶The smart fingerprint door lock handle supports IOS and Android devices. with the free App, You can set and share temporary eKeys to friends, visitors or housekeepers. It will be record and transfer who comes and goes, at the same time automatic locking and passage mode settings, bringing security and convenience to your life. Can be remotely controlled with WIFI gateway (Warm Tips：Accessories do not include gateways.Sold Separately,ASIN:B09MW1ZN7S.).
  • Easy to Install ▶ Adjustable latch：2-3/8″(60mm) to 2-1/8″(70mm). The thickness of door:1-3/8″to 2-1/8″（35mm-54mm）.Both the left and right doors are suitable. It is the best ....
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Breathalizer Blues

  • ❗High Accurancy and Battery: This Breathalyzer performs gas detection through a sensitive semiconductor sensor. This portable breathalyzer can quickly give a referenceable result when the result is + or – 0.02 sensor accuracy at 0.050 percentage of BAC. 2AA 1.5V batteries need to be prepared before use.
  • ❗Easy to Use: Easy to use. Press the button for about 2 seconds and the device will turn on, then the device will count down from 20 seconds. When the countdown is over, the screen will display “blo”. , then blow evenly until the device emits three beeps, and the test result will be displayed on the screen after a few seconds..
  • ❗LCD display and automatic shutdown:All test results are shown on the LCD display, including the battery level, and alerts are given when the battery is low. In addition, there is an automatic shutdown function, when the Breathalyzer is turned on, if 20S no operation will automatically shut down to save electricity..
  • ❗EASY TO CARRY AND PACKAGE: Breathalyzer is only 4.84in*1.73in*0.75in and supports 2AA batteries. You can easily carry in your pocket, bag or in the car. Very convenient to carry out. Package: 1 * alcohol tester, 1 * manual, 10 * Mouthpiece, 1 * Packaging bags,1*Warm Tips(No Battery)..
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Security Smart Lock Touch, Fingerprint Scanner, Keyless Entry Door Lock, Electronic Deadbolt, Touchscreen Keypad Door Lock with Handle, Easy to Install

  • ...less steel material, with heat dissipation and anti-corrosion functions, and high reliability. long lasting. Super texture, showing the unique charm of fashion and technology. Indoor lift lock + electronic lock is more convenient and safer than traditional mechanical lock..
  • High performance: using 5 high-sensitivity semiconductor 3D fingerprint sensors, FAR.
  • Security: Smart lock supports virtual password input to prevent others from knowing your password. If your correct password is 123456, you can enter *** + 123456 + *** to open the door. The backlit password keypad lets you find door locks and easily unlock them in the dark..
  • Multiple door opening methods: This smart lock has 5 unlocking methods, application unlocking (for TT locking) + fingerprint unlocking + password unlocking + IC card unlocking + mechanical key unlocking. By continuously reducing FRR, recognition becomes more sensitive..
  • Scope of application: This fingerprint lock can freely adjust the opening direction of the lock through the screw behind the adjustment handle. Suitable for residential buildings, public gates, schools, hotel buildings, factory warehouses, etc. Intelligent electronic lock can be used for wooden doors, steel doors, stainless steel doors, etc..
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Yuhoo Smart Fingerprint Door Lock, Biometric Fingerprint Door Knob Keyless Entry Door Lock for Homes/Apartments/Office/Hotels, Battery Powered, Equipped with 2 Mechanical Keys(Black) free size

  • Material: Made of zinc alloy material, durable and sturdy to use. Boasts with weather-sealed components that prevent dust and dirt from entering, allowing it to function in most weather conditions..
  • Normally Open Mode: It can be set to open the door lock directly without verification..
  • Bidirectional: The door handle opens in both directions, regardless of direction..
  • Semiconductor Fingerprint Recognition: Directly scan the dermal layer texture and reject fake fingerprints.High-tech Chip: Rapid response, chip encryption, stable battery life, stable function.Normally Open Mode: It can be set to open the door lock directly without verification.Bidirectional: The door handle opens in both directions, regardless of direction.USB Charging Port: When the battery is dead, an external power bank can be used for emergency unlocking..
  • Battery Powered: Powered by 4 AAA batteries (not included), low battery reminder, after the battery is too low, it can be used about 50 times and lasts for a long time..
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