Hornbill Fingerprint Keyless Entry Door Lock M4 Electronic Front Smart Deadbolt Locks Keypad For Home Office Auto Lock IC Card

Note:

1. US Standard. This lock is for the door thickness is between 38mm ~ 48mm (1.5 inches ~ 1.8 inches).

2. No App Required.

Preparation Guide for Door with Existing Holes:

https://ae02.alicdn.com/kf/S1509cd8e16a7409aa34f568c83a91d7aB.jpg

Battery Requirement: 4PCS AA batteries (not included).

Operating Temp Range -4℉～158℉(-20℃ ~ 70℃)