... be used to control Kilowatts of electrical and equipment.6. Wireless coding technology, Non-directional switch without disturbing each other. Specification ... frequency: 315MHZ Operating current: ≤6mAWorking temperature: -30°C~+70°C Receiver sensitivity: -100dbm Working model: inching mode, squagging, interlockingFixed code Product ... Press A button it work, press B button it stop. wireless remote switch