Features 1、This product can convert 8-40V DC voltage to the output of 5V 3A. 2、The internal circuit board adopts precision SMT workmanship, waterproof, dustproof and anti-shock. 3、Conversion efficiency up t0 96%. 4、Stable performance, long service life. 5、Suitable for car LED screen, monitor camera, fan, water pump, motor, router and other 5V electrical devices. Specification Features: 2. The internal circuit board adopts precision SMT workmanship, waterproof, dustproof and anti-shock. 3. Conversion efficiency up t0 96%. 4. Stable performance, long service life. 5. Suitable for car LED screen, monitor camera, fan, water pump, motor, router and other 5V electrical devices. Specification: Model: GYVRM-K240503 Type: DC-DC Non-isolated Step Down Module Output current: 3A Max output power: 15W Conversion efficiency: 96% Size: 60*24.5*20mm / 2.36*0.96*0.79in Mounting hole: 4mm/0.16in Hole distance: 51mm/2.01in Weight: Approx. 41g/1.4oz Package list: 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