Professional Wireless Switch Manufacturer 1ch wireless transmitter For home electric appliances control use This is 1 channel wireless transmitter Technical specification: Battery: 27A 12V Channel: 1CHWe can design/produce 1ch,2ch,3ch,4ch,5ch,6ch,7ch,8ch,9ch,10ch,11ch,12ch,13ch,14ch and 15ch wireless remote control switch,AC90v~AC270v or DC6v~12v voltage working circumstance,100m~10km meters.Our ...