EVERTECH (PB04-03P) 4 Channel 3 Ampere PTC FUSE CCTV DVR Security Camera Metal Power Supply Box DC 12V 3 Ampere Input AC 110-240V Output: 12V DC 3A Terminal Connection / On/Off Switch Use it with For Security Cameras, DVR's etc For electronic devices, like CCTV security cameras.CAN SUPPORT UP TO 4 CAMERAS. Power Box Dimensions: 6.30" x 6.30" x 1.97"