Amcrest Keyless Entry Door Lock Deadbolt, Digital Door Locks with Keypads, Smart Lock, Electronic Keypad Door Knob Cylinder Deadbolt, Automatic Locking, Heavy Duty Commercial Grade ADL220-B

• Unlock your door using your entry code on the digital keypad.
• Set up 51 unique access codes for maximum security.
• Automatically lock the door behind you after entering your home.
• Intalls in minutes and fits most standard residential wooden doors.

AMCREST MODEL: ADL220-B SMART LOCK FEATURES: Main Processor: 32-bit Embedded Processor. Supports Password and Mechanical Key. Keypad Type: Full Touch Keypad 1-9, Locked, Unlocked. Password Leght: 4-8 Digits. Password Capacity: 51 User Codes. Battery Life: Up to 12 Months (10/day). Power Supply: 4 x AA Alkaline Batteries (Not Included). Application Door Thichness: 1.3 ~ 1.7 inches. IP54 Weatherproof. Material: Zinc Alloy. Operating Temperature: 14°F – 131°F. Front Panel Dimensions: 5 x 2.7 x 1 inches. Weight: 2.51 lbs. PRODUCT INCLUDES: 1 x Interior Assembly. 1 x Digital Keypad. 2 x Entry Keys. Mounting Screws. Intallation Guide. User Manual.