Owfeel DC 24V 2 Channels Smart Wireless Remote Control Switch Inching Self-Locking Black Round Transmitter 1.Two channels of output, the output can be independent, but also inching and interlocked 2.Can switch the working mode between inching, self-locking and interlocked 3.Using wireless encoding technique, no direction, no mutual interference 4.Wireless coding technology, no direction, switch without disturbing each other 5.Applies to: remote control of the on and off of pump, machine-tool, LED lights and other Civil and industrial supporting remote areas.