6.和现有的逃生门锁F450/F400系列配套；
1.External power supply is 12-24VDC
2.Power on/off
3. Solenoid valve control handle rotation
4.Hold thehand with clutch, lock the time and space turn
5.Keys first.Use thekey to unlock the outer lock handle and pressthe handle to open the door
6.Matching with existing escape door locks FA450/FA400 series
