Detailed Product Descriptiondigital code lock with 200 users DIY digital code lock for home, office high quality lock use i button digital code lock digital code lock with 200 users night Backlight convenient     Features of  digital code lock 1.The open-door card adopts stainless steel covered IB card,sturdy and durable,no rust and anticorrosion.      2.Easy to install,just remove the old knob lock, install directly then you can use .      3. Three unlock modes :by code, card.   mechanical keys which can be used in case of electronic part is broken.    4. Backlight Keypad Of  digital code lockOnce touch the keypad of code lock, it  shows the backlight effect and helps a lot at night or in a dark place  Technical Data of  digital code lock S200MF  OR  S200TMCard Typemifare card   OR  TM cardInductive distance0 cmOpen door waysKeypad/Code,Card, Mechanical keycapacity200pcs usersElectrical pressure4pcs AA alkaline cell (4.8-6.5VDC)Quiescent current≤5uAWorking current≤200mA   digital code lock  Installation manual as below      Onlense digital code lock pass FCC Certificate   Onlense  digital code lock  is suitable for appartment, house, home, real estate