Before you buy, please note:
US Standard. This lock is for the door thickness is between 38mm ~ 48mm (1.5 inches ~ 1.88 inches).
Preparation Guide for Door with Existing Holes:
Operating Temp Range: -4℉~158℉ (-20℃ ~ 70℃)
Battery Requirement: 4PCS AA batteries (not included)
The following videos are for your reference:
1. How to Install Hornbill Smart Lock:
2. How to Set up TTLOCK app for Hornbill Smart Lock:
3. How to Use Alexa to Control the Hornbill Smart Lock:
5-in-1 Smart Lock:
Advanced Fingerprint, IC card, Passcode, TTLock APP control, Mechanical Key.
Remote Voice control with Alexa and Google Assistant (need a G2 gateway).
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