TEEHO TKH Keyless Entry Door Lock with Handle Set, Electronic Deadbolt Keypad with Code, Smart Locks for Front Door, Exterior

4 Ways to Unlock: Teeho keypad door lock with handle offers 4 ways to unlock—20 user codes, 2 backup keys, one-time codes, and passage mode. One-time passwords are single-use and automati, providing secure, temporary access for guests or service personnelEasy Installation: This keyless door lock fits most standard U.S. doors (2-1/8 inch door holes, 1-3/8 inch to 2 inches door thickness)without extra drilling. The handle hole is adjustable and works for both left- and right-handed doors. Installation is simple—only a screwdriver is neededAuto Lock & One Touch Lock: Automati–99 seconds after the door closes; this feature is off by default and can be enabled if needed. Press and hold any keypad button for 2 seconds to lock instantly—no fumbling for keys or searching for a specific buttonANSI Certified & Water-Resistant: The keyless deadbolt lock is made of premium aluminum and zinc alloy, tested to ANSI Grade 3 standards and BHMA certified. It features an IP54 waterproof rating, preventing water and rust for reliable use in rain, snow, or humid conditionsAnti-Peeping & Anti-Cracking Passcode: Anti-peep lets you enter extra digits before or after your correct code to prevent others from guessing it. Anti-cracking passcode after 10 wrong attempts to prevent tamperingLong Battery Life & Low Battery Alert: This electronic deadbolt is powered by 4 AA batteries (not included) and lasts up to 1 year. A low battery alert flashes red when power drops below 15%, giving you time to replace the batteriesCustomer Support: TEEHO offers 2-year warranty and lifetime customer service, including online support from /7 online service