Support facial recognition, Fingerprint, Password, Card, Key, APP unlocking. Fully automatic unlocking and locking, easy to use. Use time 3-5 months. Built-in HD intelligent visual doorbell. When pressing the doorbell, take a picture and push it to the APP. Compatible with left and right door opening directions. Face, Fingerprint, Password, Card, Key, App. Low battery/Incorrect Fingerprint/Incorrect Password/Anti Prying. 40% to 85% (No condensation). 430 x 75 x 15mm. 410 x 75 x 15mm. SmarDeer Smart Lock with HD Camera Face Recognition Lock Built-in Smart Visual Doorbell Keyless Entry Remote Unlock Biometric fingerprint lock. The smart lock supports six unlocking methods: facial recognition, biometric fingerprint, password, card, key, and APP. Face recognition intelligent lock, 175 ° ultra wide angle high-definition night vision camera, can easily identify and unlock even in a dark environment. The fingerprint lock has a built-in high-definition wide-angle lens, which can easily identify faces between 125cm and 200cm tall. The electronic lock supports remote unlocking of mobile phones. When the doorbell is pressed, the system will automatically take a picture and push it to the mobile App. Fingerprint door locks support Tuya App temporary passwords. Visitors can be authorized to unlock passwords anywhere. You can even set a usage period for your password. You can query the unlocking method and time of the smart lock anywhere and at any time through the Tuya App. The intelligent lock has a built-in high-definition display. When pressing the doorbell, visitors at the door can be viewed in real time through the indoor display screen. The fingerprint door lock has a built-in 360° biometric fingerprint sensor, which has fast fingerprint recognition speed and high accuracy. The password lock supports the anti-peeping password. You can enter any number before and after the correct password. Prevent others from peeping at the unlock code. The digital door lock can be unlocked by a 13.56Mhz magnetic card, with a safe and efficient sensing chip built in to prevent illegal copying. Biometric fingerprint lock supports anti prying alarm. The electronic door lock has a built-in rechargeable lithium battery that lasts 3-5 months. When the battery is low, the system will send an alarm and push information to the mobile App. The combination door lock configuration is made of zinc alloy anti-theft security stainless steel lock body. The face recognition lock uses a C-class real mortise lock cylinder. Please measure the data as below and choose the right fingerprint lock mortise for your door.