<b>Please use 15A fuse on this product!</b> <br><br><b>Specification:</b> <br>Material: Aluminum + ABS <br>Input: 12-24 DCV <br>USB output: 5V 3.1A max(2.1A + 1A) <br>Size: inch <br>Weight: g <br><br><b>What's in the box:</b> <br>1x rocker switch <br>1x DIY sticker <br>4x screw