1. Premium metal materials: The door button block made of excellent aluminum and stainless steel is long-lasting and reliable, suitable for wooden doors and 35-55mm bedroom.
2. Multiple password options: With a 6-8 digit password length, the door button lock can store up to 45 passwords, including 3 for admins and 42 for regular users.
3. Anti-PeP function: With the keyboard button, users can enter random numbers before and after the right password, where the keyboard can unlock the keyboard button with a maximum limit of 16 digits.
4. Stylish and functional design: The block button block is designed in the form of a round ball for aesthetics and practicality and offers different unlocking methods such as password entry, key access and more to meet different requirements.
5. Simple installation: easy to install, the electronic door knob is suitable for use in homes, apartments, garages, offices and other places, and offers additional security agents to calm down.

Technical Data:
Item type: paya keyboard
Material: aluminum alloy, stainless steel
Weight: approx. 678.00g/23.92oz
Capacity: 45 sentences (3 sets for admins, 42 sentences for regular users)
Password length: 6-8 digits
Virtual password saving: dummy password -Anti -Nooping can be entered any previous time or after the correct password, the maximum limit of 16 digits
Application: standard wooden doors, office doors, narrow doors, eco-friendly doors
Power supply: 1 x 3.7V 400mAh ternary lithium battery (built in battery included)
Backup method: password or key
Door resistance compatibility: 35 to 55 mm/1.38 to 2.17 inches
Round ball button size: approx. 80x57mm/3.15x2.24in

Package List:
2 x Round Ball Knob
1 x Locking Body
1 Pack x Keys (2pcs keys)
1 x User Manual
4 x Short Screws
2 x Long Screws
1 x Corner Stand Plate
1 x Installation Wrench
1 x Harvest Corner Stand Plate