100 Passwords: Keyless entry door lock supports 100 groups of access codes for the front door. Electronic door lock includs 3 admin passcodes and 97 users.

Anti-Peeping Password: Arpha keypad deadbolt lock provides 16 digits virtual code unlocking function. Users could enter 4～8 fixed password + 12～8 virtual password to unlock.

One Touch Lock: Smart Keypad deadbolt is designed with a smart one-touch switch. Smart deadbolt lock offers one-touch lock feature to control the front door easily.

Low Battery Alarm: Door lock with keypad supports low battery alarm prompts. Door lock with code supports Type-C temporary emergency power supply port.

Easy Installation: Keypad deadbolt could easily be installed in few minutes with a screwdriver. Door lock with code is suitable for backset scale range of 2-3/8 inches (60mm) and 2-3/4 inches (70mm), with door thickness ranging from 1-3/8 inches to 2-1/8 inches (35mm-55mm).

Exceptional Support & Warranty: Our dedicated support team is available 24/7 after-sales email service to assist you.Arpha offers a 30-day money-back guarantee and 18 month warranty and lifetime technical support.Please do not hesitate to contact us if you need our help.