Search query: touch screen door knob

Product: Signstek Digital Electronic Touchscreen Keypad Security Entry Door Lock for Left or Right Door Handle with Hidden Mechanical Key, Matte Black Description:
Opening modes:
-. Password
-. Mechanical key (You can open the door using password or emergency key)
Features:
-. Touchable password keypad
-. Hidden mechanical keys
-. Blue keyboard backlight
-. Can be unlocked quietly
-. Password privacy protection
-. Motor-driven clutch
-. Interchangeable door handle on left and right
-. American standard three-lock body
Note:
Emergency key use: remove the keypad handle with a wrench. Insert the mechanical key. Turn the key clockwise until the door lock opens. (The key is for emergency use and the high torque is normal when it opens.
Specifications:
Power supply: DC6V, 4 AAA alkaline batteries (Not included)
Quiescent current: ≤ 30uA
Working current: ≤ 250mA
Installation specifications: Door thickness 1.38 to 1.97inch, 35 to 50mm
Door edge to circle center distance: 2.36 to 2.76inch, 60 or 70mm (adjustable)
Front plate size (L x W x H):5.12 x 3.07 x 1.18inch, 130 x 78 x 30mm
Rear plate size (L x W x H): 5.12 x 3.07 x 0.98inch, 130 x 78 x 25mm
Handle size (L x W x H): 5.20 x 1.18 x 1.89inch, 132 x 30 x 48mm
Package includes:
1 x Main Unit
2 x Mechanical Keys
1 x Hexagon Screwdriver
1 x User Guide
Touchscreen Keypad with blue backlight:Touchscreen Keypad has good performance that it avoids the problems caused by unstuck physical buttons; The blue backlight enable you to enter passwords more convenient even in darkness.
Hidden keyhole for emergency: No need to call firemen. Remove the keypad handle with a wrench. Insert the mechanical key. Turn the key clockwise and the electronic door lock opens.
Anti-peep password: Users can create any random digits in front of or behind the correct password (random digits +correct digits+ random digits) so that you do not have to worry about being watched nearby when you input the password.
Interchangeable door handle and Fashion appearance : Comes with the changeable door handle that the door lock can be used on left and right; The door lock is apply to be used in all kinds of the doors with upscale appearance.
Easy installation: Comes a hexagon screwdriver, just follow the user guide to finish the assembling even you are not a professional. The suitable door thickness for the door lock is 1.38 inch -1.97 inch. Note: The package does not include the batteries. Signstek Matte Black