1.holding force :380kgs 2.scope of application:application all type of door.no frame door can choose bracket.swinging door:90 degree.for in-swing dooror out-swing door 3.fail-safe operation 4.unlocking mode:power to lock,with power to unlock optional 5.temperature rating:-40c-100c 6.voltage:12v,with 24v optional 7.250x62x36mm8.accessories optional:access control,power supply,door closer,ect 9.delay function:the time delay is adjustable 10.lock signal output,door monitoring 11.for access control systems with high traffic doors 12.contain none of moving parts and there are maintenance free and durable 13.door position contacts and LED indication for correct alignment of armature are available