Features: 1. This product can convert 30-60V DC voltage to the output of 5V 10A. 2. Built-in multiple protection including overvoltage , overcurrent, overheat and short circuit protection. 3. The internal circuit board adopts precision SMT workmanship, waterproof, dustproof and anti-shock. 4. The module shell is made of flame-retardant silicone, little heat production during use. 5. Suitable for car LED screen, monitor camera, fan, water pump, motor, router and other 5V electrical devices. Specification: Model: GYVRM-K480510 Type: DC-DC Non-isolated Step Down Module Input voltage: 36V/48V(30-60V) Output voltage: 5 ± 0.25V Output current: 10A Output power: 50W Conversion efficiency: 96% Mounting hole: 4mm Dimensions: 75*40*22mm / 2.95*1.57*0.87in Weight: Approx. 97g/3.4oz Package l ist: 1 * Buck Converter .