Electromagnetic lock Item no.: em-series Product name: electromagnetic lock Holding force: 300lbs~1, 200lbs Remark: door monitoring output(reel sensor no/nc) Voltage: 12vdc / 24vdc Other: 1. Ce tested 2. Surface/concealed mounted 3. L z bracket are available Specializing in door and window hardware, a manufacturer & exporter in taiwan, oem/odm businesses are also welcome.