Great Switching Power Supply for CCTV. Design with Built-in EMI Filter, Improve Signal Precision. Certifications: CE & RoHs. Meet CEC Energy Efficiency Level IV. Power LED Monitor (LED Glow when in Use). MTBF >50,000 hours. This Power Supply Unit "DOES NOT" comes with installation instruction, wiring cable, on/off switch, or screws. Professional installation of qualified electrician is highly recommended. Shell Material: Metal Case / Aluminium Base. \nOutput Voltage: 12V DC, 30A, and 360Watt\nOutput Voltage: Adjustment Eange: ±20%\nOutput Voltage Type - DC Current\nWeight: 1000g Approx.\nDimension: 210 x 110 x 50 mm Approx.\nL, N: AC Power Input\nV+: DC Power Output "+"\nV-: DC Power Output "-"\nGND: DC Power Output "-"\n+V / ADJ: Adjust the Output Voltage\nPLEASE NOTE THAT DESIGN AND COLOR MAY CHANGE FROM THE PICTURE SHOWN ABOVE.