Power Your Devices with Efficiency: Switching Power Supply 12V 30A 120W - Ideal for LED Lighting, Surveillance Cameras, 3D Printers, and MoreTechnical Specifications: - Input Voltage: AC110V/220V 50/60Hz - Output Voltage: DC 12V (Positive +V x 2, Negative -V x 2) - Output Current: Up to 30A - Output Wattage: Up to 360W - Fix Screw Hole Diameter: 2.5mm (0.1inch) - Operating Temperature: -15 to 55 degrees Celsius - Environmental Humidity: 10-95% - Material: Sturdy Metal Enclosure with Electronic Parts - Safety Compliance: CCC/FCC/CE/RoHS Certified Reliable Protection and Performance: - Overload Voltage Protection - Voltage Consistency: No Fluctuations during Power On, Transmitting, or Power Off - 100% Full Load Burn-in Tested - Smart Device Surge Protection: Short-Circuit Protection, Over Temperature Protection - Low Temperature Rise, Low Output Ripple and Noise - Supports Parallel/Redundancy Operation Notes: 1. Before use, ensure the switch is set to 110V for use in the USA. 2. The unit can handle long hours of operation under good cooling conditions. Actual output current depends on circuit loads. 3. Connect wires and adjust voltage before powering the unit. Do not exceed 80% of the rated current for prolonged periods. 4. Not suitable for ham radio operators or wireless communication equipment due to EMI/RFI filter limitations. 5. Caution: High Voltage - Do not remove the cover. Clean the switcher every 2 or 3 months if necessary. 6. For indoor use only. This unit does not include installation instructions, wiring cable, on/off switch, or screws. Professional installation by a qualified electrician is highly recommended.