Keyless Entry Door Lock - Electronic Deadbolt Lock with Keypads, Auto Lock, 50 User Codes, Security Waterproof Smart Lock Easy to Install, Ideal for Front Door, Home Use, Apartment - ELAMOR M15 ORB, 【Keyless Entry Lock】Electronic single-cylinder keypad door locks with custom keyless entry. Optional mechanical keyed override lock available as an additional backup. Deadbolt lock enables up to 50 different user codes plus a master code feature to optimize security. Unlocking can be easier when your arms are full of groceries., 【Install Without Identify Door Orientation】Unlike other locks, ELAMOR has an adaptive left and right door design, so you don't need to distinguish between the left and right door orientation to quickly install. Truly realize a fast, simple and easy installation. With 15 minutes and a screwdriver, you can easily install this lock without the need for an expensive locksmith., 【Security and Durability 】The Solid lock cylinder and the premium chip protect you with anti-hack security so you don’t need to worry about breaches. The IP54 waterproof design of this smart deadbolt makes it impervious to rain. The low-battery indicator will remind you to replace the battery in time, which in normal circumstances can last up to 1 year. Smart door locks are ideal for front doors, home use and apartments., 【Auto-Lock Safety】This keypad door lock allows you to set it to lock automatically after 3 to 30 seconds, so you never have to worry about whether you've locked the door or not. The durable, silicone-coated numbers glow when pressed, making it easy to enter your code even in the dark., 【Maximum Convenience】Give your pet sitter the password to enter your place once when you're out of town and assign up to 50 different passwords to trusted friends and family to experience convenience. The keyless deadbolt is equipped with an alarm alert function that automatically locks within 90 seconds when it has been tried and tested >5 times., ,