Wireless Switch 433MHz DC 12V 4 Channel Relay Switch for Lights white

Feature: 1. LONG DISTANCE: Wireless remote control switch signals can pass through wall, floors and doors to steadily control the receiver anywhere within a reliable distance. The maximum range is up to 98 feet, 30 meters, without obstructions. 2. 4 CHANNELS MORE CONTROL: Remote control relay switch can be adjusted to work in a way that controls the device to turn on or reverse, on and off. Switch self locking, pointing, interlocking. 3. SECURITY CONTROL: 433Mhz wireless RF switch has high security and low repetition rate. You can delete the old cipher and relearn the new one when the remote control is lost, so you are always in control. 4. EASY TO USE: 4 channel wireless remote control switch is very easy to set up, learn, relearn and cont