KKmoon AC100-240V to 12V/5A Power Supply for Door Entry Access Control System Support Backup Battery and Remote Controller *AC 100-240V wide input, DC 12V/5A stable output *Responding fast only 0-15s lock delay setting *Support 12V/7A backup battery input, for emergency power supply when power off *Support lock/unlock by remote controller,making your in &out easy *Compatible ,Suitable for door entry access control system power supply