QUANS 110V to 12V DC 10A 120W Universal Regulated Switching Power Supply for CCTV LED Strip 12V DC 10A 120W Universal Switching Power Supply. IN-DOOR USE ONLY! No installation instruction, wiring cable, on/off switch, or screws come with. Please DO NOT let the unit work long hours over rated current! Normally it is better to work under 80% of rated current. Used in Industrial automation, LED Strips, CCTV, LED display, communications, etc.