1.The module is DC-DC non-isolated synchronous buck power converter, high conversion rate and low heat 2.Input voltage: DC 24V (compatible with DC18-36V, adjustable), output voltage: DC 12V (non-adjustable), output current: 40A 3.waterproof, moisture-proof and can be applied to poor working condition 4.Multiple protection function: over-current protection, transient absorption of high voltage protection, over-heat protection, output short-circuit protection 5.It can be widely used in bus, large trucks, motor, solar generate electricity, display screen of bus and taxi, car audio device,mobile phone, car camera, Golf Carts, Forklift, Solar Panel , water pumps, industrial equipment and so on. Input rated voltage: 24V DC Input voltage range: 18-36 DC Efficiency: more than the 96% Output voltage: 12V DC Output current: 40 Amps Output rated power: 480Watts Voltage regulation: Less than 1% Road regulation: Less than 2% Ripple & Noise: Less than 160mVp-p Load loss: 70mA Working temperature-40 Celsius ~ +80 Celsius Waterproof rating: IP68 Input wiring type: wire gauge 12AWG (red positive, black negative) Output wiring type: wire gauge 10AWG (white positive, black negative) colour:Silver Material:Aluminum alloy size:100*80*39mm Package Contents: 1 * DC-DC Converter Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.