... preotection,over-charge proctection 2. adjust 11v to 14v 12v Access Control Uninterrupted DC Power SupplyModel: EA-38Dimensions: 228 ... ) Input Voltage: 220V AC~240V AC; 50HZ,Output Voltage: 12V DC (11v to 14v, adjustable) Output Current : 3AOutput Power ... Contact: Access control, Electric Lock, Release Button, Door PhoneTime Relay: 0~10sec. Standard Design: Steel Materials, PaintedProtect Safely: Short ...