Smart Lock Deadbolt, Hornbill Keyless Entry Door Lock with Biometric Fingerprint, Bluetooth Electronic Lock with Keypad, App Control, Work with Alexa for Front Door, Bedroom, Apartment, [6-in-1 Unlock Ways] Open in an instant using your fingerprint or IC card, unlock via the app with Bluetooth, or by using either the electronic keypad or the key. It can also use Alexa for voice control, [Fingerprint Identification] hornbill smart lock possesses a more sensitive fingerprint reader, which can recognize your fingerprint in just 0.5 seconds and unlock your door in 1 second. It's faster than groping for the key, [Humanized Design] Our keyless entry door lock featuring auto-lock, electronic key sharing, real-time viewing of unlocking records, passcode modification and low battery alarm to meet your different needs, [Longer Service Life] Both sides panel of this digital door locks are made of Zinc Alloy, anti-impact and suitable for harsh environments (Waterproof Level: IP65; Operating Temp Range: -20℉～158℉). Therefore, this deadbolt can be used not only indoors, but also in front doors, garage doors, etc., [Customer Service & Warranty] Our smart deadbolts are easy to install in minutes with just a screwdriver(included), please refer to the manual or video for specific installation and operation. Hornbill provides 30 days free return & exchange service, 1 year warranty and lifetime technical support. Any question please feel free to contact us., ,