Pinnaco Smart Lock Wireless Keyless Door Lock with Remote Control

Dual systems and circuits design. lock will alarm and change to standby circuit, when main circuit is with low power. When standby circuit is with low power, it lock will alarm. Dual motors design. You can start standby motor to open lock, when main motor is broken down. Easy installation on all kind of doors, very convenient. No lock hole design, it completely abandons traditional key and lock, in fully opened and closed by remote controllers, realized real . Indoor Design, you can open/close lock by lock body when indoor. It is very convenient. Tiger lock method, more safe and stable. No keyholes outside, there is no way for thieves. Automatically lock function. If you don’t need this function, you can close it by yourself. Add type-C external power source function. Make sure lock works when battery was dead. (battery not included).