1. This product can convert DC 8-40V to 5V 3A output.2. The internal circuit board adopts precision SMT manufacturing, which is waterproof, dustproof and shockproof.3. Conversion efficiency up to 96%.4. Stable performance, long service life.5. Suitable for car LED display, monitor camera, fan, water pump, motor, router and other 5V electrical appliances. Specification: Features:1.This product can convert DC 8-40V to 5V 3A output.2.The internal circuit board adopts precision SMT manufacturing, waterproof , dustproof and shockproof.3.Conversion efficiency up to 96%.4. Stable performance, long service life. 5.Suitable for car LED display, monitor camera, fan, water pump, motor, router and other 5V electrical appliances. br/>Specification:Model: GYVRM-K240503Type: DC-DC non-isolated step-down moduleInput voltage: 12V/24V (8-40V)Output voltage: 5 0.25VOutput current: 3AMaximum output power: 15WConversion efficiency: 96%Size: 60*24.5*20mm/2.36*0.96*0.79inMounting hole: 4mm/0.16" Hole Distance: 51 mm / 2.01 inchWeight: approx. 41g/1.4ozPackage List:1 * Buck ConverterNote:1.Due to the difference between monitors and lighting effects, the pictures may not reflect the actual color of the item.2. Please allow slight error due to manual measurement. Thank you for your understanding. Note: The data is manual measurement, please allow 1-139cm error, due to differences between light and screen, there will be a certain color difference, the specific received in kind prevail.