Features This product can convert 8-58V DC voltage to the output of 5V 1A. Built-in multiple protection including overvoltage , overcurrent, overheat and short circuit protection. The internal circuit board adopts precision SMT workmanship, waterproof, dustproof and anti-shock. Conversion efficiency up to 96%, stable performance. Suitable for car LED screen, monitor camera, fan, water pump, motor, router and other 5V electrical devices. Specification:Model: K480501Type: DC-DC Non-isolated Step Down ModuleInput voltage: 12V/24V/36V/48V(8-58V)Output voltage: 5±0.25VOutput current: 1AOutput power: 5WConversion efficiency: 96%Mounting hole: 4mmSize: 63*32*18mm / 2.42*1.26*0.71inWeight: Approx. 46g/1.6oz  Packagelist:1 * Buck Converter Note:1. Due to the difference between monitors and light effects, the pictures may not reflect the actual color of the item.2. Please allow slight error due to manual measurement. Thanks for your understanding. Package List