Features:2. The internal circuit board adopts precision SMT workmanship, waterproof, dustproof and anti-shock.3. The module shell is made of flame-retardant silicone, little heat production during use.4. Built-in multiple protection including overvoltage, overcurrent, overheat and short circuit protection.5. Suitable for car LED screen, monitor camera, fan, water pump, motor, router and other 5V electrical devices.Specification:Model: GYVRM-K240505Type: DC-DC Non-isolated Step Down ModuleOutput current: 5AMax output power: 25WConversion efficiency: 96%Size: 63*32*18mm / 2.42*1.26*0.71inMounting hole: 4mm/0.16inHole distance: 56mm/2.20inWeight: Approx. 46g/1.6ozPackage list:1 * Buck ConverterNote: 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.