ReviewsSemiconductor Key

KKmoon DIY Kit Thermoelectric Peltier Cooler Refrigeration Cooling System Heat Sink Conduction Module + 2 Fans + 2 TEC1-12706

Great DIY Radiator Kit for electronic enthusiasts in semiconductor cooling applications..
\Adopt 2pcs TEC1-12706 semiconductor chilling plate, good quality for use..
Complete sealed structure, isolating the moisture in the air..
Lightweight and mini in size, easy to install..

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wendeekun Electric Control Lock, DC 12V Integrated Electric Control Lock Gate, Iron 12V Electric Lock, Anti‑Theft Gate Lock,Door Entry, Home Smart Security System

...ion for home owner, airbnb short-term rental house, rental property management. The TTLock APP make lock and user management easier than ever. Generate passcode on APP, share access with your guest and contractor..
Multiple Ways To Unlock: Advanced 5-in-1 unlock, Fingerprint, Passcode, FOB, TTLock App and Key. Adopt Semiconductor Fingerprint sensor, bringing you a fast & secure recognition system. Works perfect for kids and the elder. You don't worry about forgetting to bring the key..
Illuminated Touchscreen with matte finish to protect against fingerprints and smudges. The fingerprint-resistant touchscreen ensures numbers won’t be detectable to intruders after repeated use - safeguarding your home even more..
Variety passcode for different needs or situations. User can generate Limited Time, Permanent, One-time or Customized passcode. Using the automatic locking function, no worry about forgetting to lock the door..
Installs in minutes - no wiring needed, no handy man needed , no professional locksmith needed, could do it by yourself as long as you have a phillips screwdriver..
The lock lever is reversible, so the lock work for both left and right handed door..
User log could be downloaded to your computer..
Note: We are US Company, offer customer servi....

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[Instant Cooling] Personal Air Conditioner Neck Fan Micrael Home Built-in Refrigerating Chip Wearable Cooling Fan with 360° Wind Outlet Portable Hang Neck Fan for Hot Flashes

【Instant Cooling】This portable mini neck air conditioner uses semiconductor cooling technology. The current generated by the semiconductor cooling chip creates a temperature difference and achieves instant cooling. The key to cooling down in summer is instantly cool down your body surface temperature, the neck air conditioner’s instant refrigeration technology of neck fan makes it possible..
【3 Cooling Modules & 2 mode】Bladeless neck fan is equipped with three aluminum blocks to reduce body temperature (only air conditioning cooling, no fan duct will not blow), and provides two modes (weak and strong) can be switched by clicking the power button, instant cooling 12-16 °, the two sides of the adjustable pull belt design (2cm), adjusted to the situation, more like tailor-made, so you can feel comfortable and cool in the summer..
【Portable neck fan &with 10000mAH Power Bank】The neck fan does not have a built-in battery and needs to be connected to the power supply at all times when in use. The package is equipped with 10000mAH mobile power (1. Connect the neck fan and mobile power together through the connection cable, 2. Click the power button t....

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Touch Screen Fingerprint Door Lock, Password Card Reader IP68 Waterproof Smart Digital Access Controller

...rproof：The outdoor is fully IP68 waterproof, and the back circuit board is filled with glue, which can achieve a comprehensive waterproof effect..
Safe Reliable : Fingerprint identification lock, convenient fingerprint setting, safe and reliable. Using a highly sensitive semiconductor three‑dimensional fingerprint collector, a 360‑degree self‑learning memory algorithm, fingerprint identification in seconds..
Easy to Use：Backlit keyboard, easy to use at night, see more clearly, bring more convenience to your life, alos suppor Wiegand26 output. Very suitable for ALl external or internal doors of houses, apartments or other private spaces..
After Sales Service: If there are any using problems or unsatisfactory with our products, please feel free to contact us, our professional customer service team will solve the issues with sincerity..

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Northbear Thermoelectric Peltier Refrigeration Cooling Cooler Fan System Heatsink Kit Cooler (2 Fan)

This module installation is assembled and you do not need to use your hands.
Power: 12VDC 6A (not include in this Kit).
Semiconductor coolers are a form of solid state cooling that incorporates both semiconductor Technologies and electronic assembly techniques.
Tips: cold end frost require ambient temperature is low, is not what the environment can be frost, frost general ambient temperature below 25 degrees.
A medium sized humidor basically for seasoning. With a temp controller, this keeps the inside of the humidor.

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Smart Deadbolt, Security Smart Door Lock Fingerprint Door Lock by Fingerprint/Key/APP Control, App Monitoring, Bluetooth Keyless Entry Door Lock, Smart Door Handle for Apartment,Office,Bedroom

...ion for home owner, airbnb short-term rental house, rental property management. The TTLock APP make lock and user management easier than ever. Generate passcode on APP, share access with your guest and contractor..
Multiple Ways To Unlock: Advanced 5-in-1 unlock, Fingerprint, Passcode, FOB, TTLock App and Key. Adopt Semiconductor Fingerprint sensor, bringing you a fast & secure recognition system. Works perfect for kids and the elder. You don't worry about forgetting to bring the key..
Illuminated Touchscreen with matte finish to protect against fingerprints and smudges. The fingerprint-resistant touchscreen ensures numbers won’t be detectable to intruders after repeated use - safeguarding your home even more..
Variety passcode for different needs or situations. User can generate Limited Time, Permanent, One-time or Customized passcode. Using the automatic locking function, no worry about forgetting to lock the door..
Installs in minutes - no wiring needed, no handy man needed , no professional locksmith needed, could do it by yourself as long as you have a phillips screwdriver..
The lock lever is reversible, so the lock work for both left and right handed door..
User log could be downloaded to your computer..
Note: We are US Company, offer customer servi....

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Smart Door Lock, Fingerprint Door Lock, Key Door Lock, Temporary Smart Password Lock, App Monitoring Auto Lock for Homes and Hotel, Matte Black

DIFFERENT UNLOCKING METHODS: Smart Handle Lock has 4 way to unlock the door, fingerprint, password, BT APP, key. Semiconductor fingerprint sensor, second‑speed fingerprint recognition, 360° self‑learning and memory algorithm, the more you use it, the more accurate it is..
SMART SAFE DOOR LOCK: Biometric Door Lock can be used with other products that support function. Password conceal handle, you can set a temporary dynamic password, if you need to unlock the lock remotely, you can set one or a group of dynamic passwords, the password will automatically become invalid after unlocking..
REAL TIME MONITORING: After the user unlocks, the administrator can check the record in the unlock record on the APP. You can lock/unlock your smart door lock anywhere anytime, set up codes remotely and check real-time access logs, real time check home secuirty..
CONCEALED VIRTUAL PASSWORD: Enter garbled codes before and after unlocking the password, as long as there is a continuous correct password in the middle, you can unlock and open the door, effectively preventing criminals from peeping and trying to open the door, Password Key Lock can be applied for home, apartment, villa..
LOW VOLTAGE ALARM: When the battery power is low, the smart lock will emit a low ba....

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WeJupit V8 Fingerprint Keyless Entry Smart Door Lock Stainless Steel Touchscreen with Electronic Keypads Spare Key Two-Factor Authentication Biometric Digital Auto-Lock Right Handle Only

【Attention❗ Irreversible Right Handle Only!! Super convenient, no wifi needed】3-in-1 keyless entry: fingerprint + Code + Backup Key. Smart....
【Sensitive and High Capacity】The SEMICONDUCTOR FINGER SENSOR, which is 1.5~2 times better than optical fingerprint sensor, works well with anyone....
【Anti-peep Password and Safe】***** + pass code + **** Passcode works correctly even with incorrect digits added in front of the correct sequence....
【Durable and Easy DIY Installation】The shell is made of unique 304 stainless steel, and is collision proof, waterproof, and rust proof. Works with....
【30-day Money Back Guarantee & Free Lifetime Support】If you are not completely satisfied, return it and you will receive a full refund within 30....

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6-in-1 Door Locks with Keypads,Smart Digital Lock for Home,Office,House Rental,Use APP,IC Card,Anti-peep Code and Keyless Entry Door Lock with Handle ,Right

...ion for home owner, airbnb short-term rental house, rental property management. The TTLock APP make lock and user management easier than ever. Generate passcode on APP, share access with your guest and contractor..
Multiple Ways To Unlock: Advanced 5-in-1 unlock, Fingerprint, Passcode, FOB, TTLock App and Key. Adopt Semiconductor Fingerprint sensor, bringing you a fast & secure recognition system. Works perfect for kids and the elder. You don't worry about forgetting to bring the key..
Illuminated Touchscreen with matte finish to protect against fingerprints and smudges. The fingerprint-resistant touchscreen ensures numbers won’t be detectable to intruders after repeated use - safeguarding your home even more..
Variety passcode for different needs or situations. User can generate Limited Time, Permanent, One-time or Customized passcode. Using the automatic locking function, no worry about forgetting to lock the door..
Installs in minutes - no wiring needed, no handy man needed , no professional locksmith needed, could do it by yourself as long as you have a phillips screwdriver..
The lock lever is reversible, so the lock work for both left and right handed door..
User log could be downloaded to your computer..
Note: We are US Company, offer customer servi....

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WAH LIN PARTS Smart Fingerprint Door Lock, Keyless Entry Door Knob, Biometric Door Knob with App Control Emergency Key Access, Best for Home, Office, Hotel, Cloakroom, Apartment, Bedroom(Silver)

...int unlocking, APP unlocking, key unlocking three unlocking methods, is a 3 in 1 perfect fingerprint smart door lock smart door handle！.
【INTELLIGENT LIFE】A key fingerprint door lock supports APP control, check the unlocking record through APP, more secure unlocking, semiconductor fingerprint sensor allows you to quickly access fingerprint management, up to 20 fingerprints, intelligent security technology will guard you and your family's safety！.
【EASY INSTALLATION】The smart door handle door lock can be easily installed in minutes with a screwdriver, we have detailed installation instructions, very easy to install, fits most US doors, meets your every need!.
【PREMIUM DESIGN & HIGH QUALITY MATERIAL】Biometric door lock is made of high quality aluminum alloy material, it is clear, smooth and easy to clean, and with classic door handle design, it also adds fingerprint lock and APP unlock function, it is the ideal choice of smart door lock for bedroom door, office, hotel, apartment!.
【NOTE】The smart door lock is suitable for wooden doors between 30-55mm, fire doo....

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Amazon Basics Steel Security Safe with Programmable Biometric Fingerprint Lock - Secure Cash, Jewelry, ID Documents - 0.5 Cubic Feet, 13.8 x 9.8 x 9.8 inches

0.5-cubic-foot safe with fingerprint-touch technology for quick access.
ideal for storing important documents, jewelry, and other valuables.
achieve greater security compared to a keypad.
Biometric fingerprint sensor with 500 DPI semiconductor.
excellent match speed of less than 1 second.
touch lifetime could reach 1,000,000 times.
Heavy-duty carbon-steel construction (8-gauge steel door and 14-gauge steel body).
2 live-door bolts and pry-resistant concealed hinges for superior security.
includes pre-drilled mounting holes and hardware for floor and wall mounting.
Exterior measures 13.8 by 9.8 by 9.8 inches (L x W x H).
interior space measures 13.6 by 7.5 by 9.7 inches (L x W x H).
backed by an Amazon Basics 1-year limited warranty.

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