Electronic smart door lock BABA 8100 door lock knob

BABA-8100 is the premium smart door lock with following functions. ★ Password Opening (20 passwords can be registered) ★ Card Opening (50 Cards can be registered) ★ Double Lock Function ★ Master Card Function ★ Master Password Function ★ One-time Password ★ App Control (Bluetooth chip is chargeable) ★ Low Battery Alarm ★ Robbery & & Intrusion Alarm ★ Wrong Password Alarm (After entering wrong password 5 times in a row) ★ Fire Alarm (Only from inside the room) ★ Voice Guide ( English, Vietnamese, Chinese, Korean languages are available) ★ Random Password entry ( up to 20 digits including actual password) ★ Battery (AA Alkaline type 4 Pieces) ★ Emergency Battery ( It is applied from outside when battery runs out) ★ Remote Control (Optional for additional charge) ★ Sound Mute ★ Antimicrobial Coating (Optional for additional charge) ★ Door Thickness - 35mm ~ 100mm ★ Weight- 2.8 k.g ★ Size - 85mm (W) -235mm (H) - 72mm (D) ★ Working Temperature -15 to +60 C ★ Product Material: Iron, Zinc