General description One wall panel transmitter supports multiple RF433 receivers and vice versa. This self-powered wireless light switch and receiver kit allows you to control your lamps or other appliances conveniently without the need for wiring or batteries. Simply stick the switch anywhere you want with the included double-sided adhesive tapes, providing flexibility in controlling appliances in your daily life. Usage Control your lamps or other appliances while staying comfortably in your bed, sofa, or chair instead of getting up.