Keyless Entry Deadbolt Lock, Hutools Digital Door Locks with Keypads, Auto Lock, 1 Touch Locking, 20 User Codes, Satin Nickel

HuTools Keyless Digital Door Lock provides security for your home with a convenient keyless entry function. Door measurement Works with both left handed doors and right handed doors. Door thickness: ranging from 1 3/8 inches to 2 inches Door hole's Diameters: 2 1/8 inches Backset: 2 3/8 inches or 2 3/4 inches Backset is a distance from door edge to center of hole on door face. Working temperature : -4°F to 131°F Forget to lock your door? Enable the automatic lock feature between 10-99 seconds for peace of mind. Or lock your door pressing one button for 3 seconds. No additional turning/twisting needed. Always losing key? 20 user codes (4 to 10 digits) for family, friends, contractors or dog walkers, or a one-time use temporary code for visitors and service personnel. A master code features for added security. Difficult to lock/unlock the door in the dark? Blue back-light: Make the numbers readily visible in the dark with just one touch. Avoid mistyping the code at night. Enter the code directly, no need to activate the keypad. Other features Low battery indicator Low battery indication will notify you when the batteries are getting low. If you fail to replace the batteries, you can still open the door with the 1 back-up mechanical key. Operated by 4 AA batteries (not included). When the batteries are getting low power, the lock will have constant beep sounds and flash light. Support virtual password Input the random passcode before or after the correct password, so that strangers can’t steal your password by looking at worn-out keypad digits or watching you nearby when you enter the password. Vacation mode The vacation mode puts the system into a low power state, disabling all buttons and functions until master code is entered on keypad. If the deadbolt door lock is unlocked by thumb turn, the lock will issue an alert.