Aibocn Keyless Entry Door Lock, Electronic Keypad Deadbolt, Smart Door Lock for Front Door, Easy Installation, Auto-Lock, Anti-Peeping

Password and Key Entry: This keyless entry door lock offers 10 access codes for family members to enter without keys, including 2 mechanical keys. (Note: Our door lock is suitable for doors with a thickness of 1-3/8” to 2-3/16”(35-55mm) and a 2-1/8 inch (54mm) door hole.)
Smart Locking: Features an automatic locking function that can be programmed to lock within 10-99 seconds, and can be locked with the touch of the lock button.
High Security: Prevent peeking by entering any numbers before the correct password on this keypad deadbolt lock. The built-in alarm system will sound after 4 consecutive incorrect password attempts.
Easy Installation: Install and program in minutes with just a screwdriver; the bolt automatically detects the direction, and is compatible with both left and right-opening doors.
Low Battery Alert: Receive a beep when the battery voltage is low, reminding you to change the batteries. Recommend using 4 AA alkaline batteries with a lifespan of 6 months to 1 year.
Convenient Keypad Access: Durable silicone-coated digits illuminate when pressed, allowing easy code input even in the dark.
Satisfactory Service: Includes a 30-day refund support, lifetime post-purchase service from the date of purchase, and 24/7 online customer service via email for this smart door lock.