HL-81 Smart Keypad Door Lock – Keyless Entry Electronic Door Lock with Knob

HL-81 Smart Keyless Entry Door Knob with Keypad Share Access Your Way Create up to 20 unique user codes for family members, guests, or tenants. Use permanent codes for people you trust and temporary codes for cleaners, deliveries, or short-term guests—no keys to hand out or keep track of. Fits Most Standard Doors Designed to fit standard U.S. doors with a 2-1/8" bore hole, 2-3/8" or 2-7/8" backset, and 1-3/8"–2" door thickness. Easy to install with the included hardware. Not compatible with 1-1/2" bore holes. Lock Automatically, Every Time Set the auto-lock timer from 2 to 99 seconds and let the lock secure the door automatically. Ideal for busy households, rentals, front doors, and garages—so you don’t have to worry about forgetting to lock up. Added Protection Against Code Guessing Enter random digits before or after your personal code to help keep your access code secure—even in high-traffic areas where others may be nearby. Easy Access, Day or Night The backlit keypad makes entering your code easy, even in low-light conditions. Turn on Silent Mode for quiet, discreet entry—perfect for late-night arrivals, bedrooms, and shared homes. Stay Unlocked When You Need It Keep the door unlocked for easy, hassle-free access—perfect for deliveries, kids coming and going, moving day, or busy times at home. Great for front doors, garages, and other frequently used entrances. Built for Everyday Use Made with durable zinc alloy and tested to withstand 250,000+ lock cycles for dependable everyday performance. Enjoy up to 13+ months of battery life with low-battery alerts to let you know when it’s time for a replacement. 9V battery not included. Product specifications Brand Name HIDALIFE Item Dimensions 2 x 2 x 2 inches Color Black Recommended Uses For Product 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. Item Highlight 20 User codes Vacation One-time Passage Mode Anti-peep Type-C Temporary Power Supply Key Backup Fits Standard US Doors Included Components Exterior Assembly with keypad *1、Interior Assembly with knob*1、Latch (adjustable for 2-3/8"" or 2-3/4"" backset) *1、Strike plate *1、Strike box *1、Physical backup keys*2、Interior assembly mounting screws M4.0*45 3PCS、Latch/strike screws M4.0*20 4PCS、Knob screws M3.0*10 3PCS、Spare screw set (1 knob screw + 1 interior assembly screw) *1、Drilling template paper *1、User manual *1 Additional Features Smart Intruder Defense & User-Friendly Keypad @Advanced Durability Batteries Included? No Indoor Outdoor Usage Indoor, Outdoor Shape Rectangular Metal Type Zinc Alloy Finish Types Polished Lock Type Keypad