Description: Long life with 500000 operations tests; Suitable For: wooden Door,glass door,metal door,PVC door; Superior strength aluminium alloy,solid stain-less steel bolt; Special photoelectricity control,three steps current application; Low temperature acceptable,low power,environmental protection. Specification: Material: aluminum and iron Voltage: DC12V Start current: 960mA Standby current: 180mA Signal output: door status output,NO/NC/COM Operating temp: -10~+55 degree (14-131F) Operating humidity: 0~90%(non-condensing) Autolock time delay: 0,3,6,9 sec. Solid bolt: polishing housing, 1000kg holding force Certificate: CE and MA Open: enegized state Lock: power off state Size Chart: Face Plate(LXWXH): 192x25X37mm/ 7.56X0.98X1.46 inch; Strike (LXWXH): 90x25x2mm/ 3.54X0.98X0.08 inch Weight: 0.676kg Package Includes: 1 X electric lock 1 X magnet seat screw kits Note: Due to the manual measurement, there is a slight difference between the size from the above and the actual item. Because of the displaying and lighting effects, monitor settings,etc.there could be a little color difference acceptable, please kindly note. When door frame doesn`t coincide with door leaf ,door leaf against the bolt,then the electric bolt will start the low-power function to bring low temperature.