Specifications: 1). Digital control 2). Work voltage: DC12V, DC18V 3). Operating by electricity or key or hand 4). Automatically lock 5). Consumption power: 5W 6). Electricity status: Discontinuous supply current DC12V/1 sencond 7). Limited warranty: One year or 3550000 times 8). Temp. Range: -10 - + 50c 9). Regulated and filtered voltage: DC 500V(one minute) 10). Saving power, low noise, long life, easy install Features: 1). Non-directional: Suitable for sort of access control systems (in-swinging door or out-swinging door) 2)saving power: The power consumption is 10% lower then electric rim lock And WM lock 3). Lowest firction: Because the intelligent lock can work by sensor, but the electric rim lock work by pressure. 4) No any request to door closer: When lock; The deadbolt can't hit the door 5)NO noise: There are amost not any friction between the door and the lock When it locks automatically 6). Long life: We use the electric engine and the magnet switch imported from japan as heart key to our lock 7) Hint information: When unlock and open the door we will hear the hint Sound. If unlock and not open the door we also hear different hint sound 8) With LED: When lock the light is red, contrarily is green 9) Inspect the deadbolt automatically: The door will lock after 15 seconds When unlock and does not open the door 10) Protect the circuit: If the circuit is over loading, then it will be fail-safe. After 3 minutes it will work normally 11) Automatically alert: When it can't lock or unlock 12) Application: Fit for all sorts of access control and doors