Support one wall panel controls multiples rf433 receivers and vice versa.;just stick switch anywhere you want with double-sided tapes, no extra wires needed.;self-powered switch, no wiring and battery required, energy saving and convenint.;control your lamps or other appliances just stay in bed, couch, or chair with comfort instead of getting up.;provides more flexibility to control appliances in daily .;apply to kinds of appliances and suitable for home, office, hotel, etc.
