1.easy installationi??CEi??UL approved. 2.scope of application:application all type of door.no frame door can choose bracket.all swinging doors 3.fail-safe operation 4.unlocking mode:power to lock/power to unlock is adjustable 5.temperat... - Update: 2007-07-23

1.easy installtion,CE,UL approved 2.scope of application:application all type of door.no frame door can choose bracket.all swinging doors 3.fail-safe operation 4.temperature rating:-40c-100c 5.different series different sizes 6.access... - Update: 2007-07-23