We offer Industrial Wireless Remote Control Switch. 1 set of remote control system includes receiver and transmitter Model number: HS-4 Transmitter: 1 START key 1 STOP key 2 available command keys You could buy one transmitters and another standby...
Showroom remote control switch material:brushed aluminum+ bayer pc; size:92*92mm conductive parts: tin phasphor broze contact of switch:silver alloy point warranty:3years four channels control lifspan of the contact>100000....