Synchronous rectification technology Internal resistance capacitor filter, withstand high temperature. Organic silicone packaging technology Chip smart protection, anti-overheating, overcurrent protection Water Proof:IP67 Colour:silver Material:aluminum Package Contents: 1 * Power Adapter Converter 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.