... 12V DC 6 channel cctv ups power supply: Features:1.Six groups ups CCTV Power Supply 12VDC individually fused outputs2. Circuit ... Short Protectionwhen short condition occurs, individual fuse will open the circuit,when condition removed, replacing another new ... condition removed, then switch back to normalUPS functionUninterrupted Power Supply,when power cut,it also could work by the mothball battery ...