Keyless Entry for Everyone: Share 20 permanent codes with family, 2 physical keys. Generate one-time passwords for guests—they expire after use. Perfect for households with kids, elderly parents,or frequent visitors. No more hiding keys under the mat! Auto-Lock & One-Touch Locking: Set the door to lock automatically in 10–99 seconds. Need to leave in a hurry? Press any key for 2 seconds outside to lock instantly. Never again wonder,"Did I lock the door?" Sleek Handle Design: Features dual ergonomic lever handles for a natural, comfortable grip. Their modern look blends seamlessly with both traditional and contemporary home styles. Anti-Peeping & Intrusion Protection: Use a dummy password—add random digits before or after your real code to block prying eyes. Wrong entry limit: After 10 failed attempts, the lock will shut down for 3 minutes, stopping password guessers. Durability & Security: Passed ANSI Grade 3 and BHMA test, with IP54 water and dust resistance,suitable for entrance doors and interior doors. The robust zinc alloy lock cylinder is designed to resist prying, backed by 200,000+ cycle testing—built to deliver decades of reliable protection. Long Battery Life with Low Battery Alert: Runs on 4 AA batteries (not included) for over a year. The backlit keypad alerts you when battery is low, so you' re never locked out unexpectedly. Vacation Mode & Silent Mode: Vacation Mode disables all codes except the Master Code. If it's unlocked by the Thumb Turn from the inside, the lock will sound an alarm. Silent Mode mutes keypad beeps but keeps low-battery and security alerts audible