1. materials are used, the quality is guaranteed, and the service life of the product is greatly improved 2. Performance improvement, power upgrade, built-in cooling fan 3. Simple to use, stable performance 4. The product is exquisitely made and the components are beautifully arranged 5. The product has a wide range of applications and can be used for solar energy, battery and other voltage reduction charging Input: DC25-120V Output: DC1.2-75V adjustable Current: 20A (MAX) Power: 600W (the voltage difference is large, and the current is reduced according to the heating situation) Anti-reverse diode has been added to the output end Due to different product batches, the appearance , which does not affect the use Colour:As Shown Material:PC+Aluminum alloy Package Contents: 1x Adjustable voltage reduction module Only the above package content, other products are not included. Note: Light reflection 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.