ITEM NAME:433MHz Wireless Switch AC 220V 1CH Relay Receiver + Self- 86 Type Remote Product Description Description: 433MHz Wireless Remote Control Switch AC 220V 1 Channel Relay Receiver + Self-.Working frequency: 433MHz. Working current: AC 85V-250V. The picture may not reflect the actual color of the item because of different photographing light, angle and display monitor. If item is defective after 3 months, you can still send it back to us.