1This lock is a doubleheaded drawing electric control lock, the unlocking direction is left inward opening. 2The lock adopts electric control to open, indoor button to unlock, outdoor key to unlock. 3Double locks, support outside lock, when the mechanical key is inserted to lock, the button cannot unlock, the button can only be unlocked after the mechanical key is unlocked. 42mm/0.08in thickened lock body, highstrength spring, internal mechanical structure for low failure rate. 5Plastic coil is used to ensure that the coil will not be burnt out under normal energization. 6DC12V voltage power supply, power on to unlock, the lock is widely used in residential houses, public gates, institutions, schools, hostels, hotel buildings, factory warehouses, etc.