1. Wireless Remote Control: Control your electrical applications with the wall transmitter within the required range; The round RF and Wifi receiver with its own power supply is designed as a mini module size for each UK/EU/US cable box for much more compatibility. 2. No battery to control: With the wall remote control switch self-generation function, you can remotely control devices connected to RF433 or WiFi relay receivers without batteries as long as the switch matches the prepaid receiver . The rocker switch also allows much convenience for your smart life. 3. Multi-Function Switch: One wall mounted remote transmitter switch can control multiple RF433/WiFi relay receivers, and multiple wall mounted remote transmitter switches can also control one RF relay receiver at the same time. Stick the switch in place with the supplied double-sided tape. 4. VARIOUS USES: Use the RF receiver directly on your light bulb by wiring then controlling with the transmitter controller; or just hide the receiver in the decoder behind the traditional switch for easy control with our WiFi/RF controller or your traditional switch. 5. Attention: The RF433 relay receiver and the wall panel remote transmitter switch should be used with the same type, so you can't buy a receiver or switch alone, or use the self-generating wall panel transmitter to connect to another type of receiver. packaging: 1 receiver with 1 transmitter