Features:1. 100% full power and stable current output, non-isolated module.2. Waterproof level IP68 and anti-shock protection, Ultra-compact size, lightweight.3. Industry grade DC 12V to DC 5V converter, efficiency up to 96%.4. Protections: Over-current, Over-voltage, Over-temperature, Over-load and Short-circuit, auto-recovery when the device is back to normal operating.Applications:- Trucks- Golf Carts- Forklifts- Buses- Loaders- Logging Vehicles- Wind Power System- Solar Power System- Electromotor- Telecommunications- Boat and Yacht- and so on..Specifications:* Input Rated Voltage: DC 12V* Output voltage: DC 5V 3A* Output Rated Power: 15W* Efficiency: 92% ~ 96%* Voltage Regulation: Less Than 1%* Load Regulation: Less Than 2%* Ripple(full load test): Less Than 5mV* No Load Current: Less Than 10mA* Total Size: 46*27*14mm(L*W*H)* Hole Center Diameter: 53mm/ 2.08 inch* Weight: 50gPackage included:1 x DC 12V to DC 5V 3A Voltage Converter RegulatorWire connection:Input: + red wire; - black wireNote: Can not use a long time Under the MAX. LISTED LOAD POWER.