DC-DC 12V/24V to 5V 5A Buck Converter Step Down Power Supply Module 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-K240505 Type: DC-DC Non-isolated Step Down Module Output current: 5A Max output power: 25W 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.