DC 12V 6 Channel Wireless Remote Control Relay Switch 433MHz 2X Transmitter
Transmitter】. Relay: 20A/125VAC, 20A/14VDC,20A 12V,AC/DC 10A 1V-250V. can change it by yourself. Channel: 6 CH. Keep pressing the learning button for about 8 seconds, the indicator light turns on to off, then the code you learned before will be deleted.