HIDALIFE Fingerprint Keyless Entry Door Lock, Smart Door Knob with Keypad for Front Door, Easy Passage Mode, One-time Code, Matte Black

Keyless Entry Made Easy: This smart door lock recognizes your fingerprint in just 0.3 seconds (faster than finding keys!) and stores up to 50 unique prints. Enjoy 20 permanent codes for family, one-time codes for visitors, plus a backup key - delivering fast, reliable access to your home. Easy Auto-Lock/Unlock Switch: Our keypad door knob offers instant lock/unlock with a single switch. The easiest door locks for front door for receiving packages or letting kids play freely. Smart Anti-Peek Protection: This keypad door lock with handle features advanced anti-peek technology. Just add random numbers before/after your real code to fool intruders, perfect for high-security needs. Built to Last: The digital door lock features heavy-duty zinc alloy construction tested for 250,000+ cycles and runs over 1 year on a single 9V battery (battery not included). Custom Auto-Lock Timing: Personalize your electronic door lock with adjustable auto-lock (2-99 seconds). Never worry about forgotten locks again - ideal for families and rentals. Universal Fit:Our fingerprint door knob Fits standard doors (2-1/8" hole, 2-3/8"/2-7/8" backset, 1-3/8"-2" door thickness). Note: not compatible with 1-1/2" door holes. Easy to install. User-Friendly Keypad：Backlit keypad illuminates dark entries. Silent mode ensures quiet entry for late - night arrivals or shared homes.

Hidalife Smart Door Knob with Keypad: Revolutionize Your Home Security and Convenience
Fits Diverse Spaces Across the US, Ensuring Convenience and Security in One Step
Covers Various Types of Doors, Including Front Doors, Garages, Bedrooms, Rental Rooms, Offices, and Apartments

Product functions：
Hidalife smart lock offers versatile functions.With 20 passcodes and one - time code options, access management is a breeze. The auto - lock button (2 - 99s adjustable) and vacation mode add convenience. Features like LED backlight, reversible handle, anti - peep passcode, mute mode, and smart alarm further enhance user experience and security.

Product Overall Specifications​：
Weight (NW): 1.94 lb​
Product Dimensions: 5.10 in*2.72*0.85 in
Handle Size: 2.20 in​
Installation - related Parameters​
Door Hole Size: 2 - 1/8'' (54mm)​
Backset: 2 - 3/8'' (60mm) or 2 - 3/4'' (70mm)​
Applicable Door Thickness Range: 1 - 3/8'' - 2'' (35mm - 50mm)​
Cylinder Size: 1'' (25mm)​

Battery Information​
Battery Type: 9V（Not Included）​

Optimal discharge temperature range of the battery: -20°C to 60°C (-4°F~140°F)-- This is the optimal operating temperature range for most 9V batteries. 

Note: In extremely harsh battery operating temperature environments, the battery will be over-discharged, which will reduce the battery's lifespan. As a result, the door lock will issue a low battery alarm.For better performance, it is recommended to use alkaline 9.7V batteries.

 

What's in the Box
1 Exterior Assembly
1 Interior Assembly
1 Latch
3 Keys
1 User Manual
Strike & Box
Screws
We also provide a 12 - month warranty and a 30 - day money - back guarantee, backed by 7*24 friendly customer service. Your satisfaction is our top priority.