Features:
1)Designate for building talkback and of access controllers, especially for kinds of EM locks and bolts
2)Control electric locks or bolts directly
3)Reduce the load of access controller
4)Save circuit wire works, lower potential trouble
5)Have out NC/NO control all kinds of electric locks
6)Have delay control circuit
7)Unlock delay time in 0-10s
8)Auto protection
9)Can be accessed by battery, power outages continue to Power after

Specifications:
1)AC input: 220V 50Hz
2)DC output: 12V 3A
3)Appearance size: 161(W)X202(H)X70(D)mm
4)G. W.: 2.8kg(with 12V/4AH battery)