WOIYIC 433Mhz Wireless Remote Control Switch AC 220V 230V 30A Relay Receiver and 4 Transmitters Radio Control for Light Water Pump Household Appliances

【Unique Design】433MHz RF Wireless Remote Control Switch. Stable and reliable performance, receiving sensitivity (>-105dBm). A strong signal penetrates walls, floors, and doors. It can be controlled from any location within a reliable distance. The maximum range can reach 50 meters without obstacles. 【Easy to Use】 Extremely easy to set up and reset. 3 working modes (Momentary/Toggle/Latched) are available. You can easily set it up yourself according to your needs. The working mode of the product is adjustable. This item is already set to latched mode. The "ON" button and "OFF" button are used to turn on the power. 【High Sensitivity】 The receiver adopts a 30A relay, which can load high-power electrical appliances to ensure long-term stable control. Each receiver can store about 20 transmitters. One transmitter can also control multiple receivers (the transmitter must match the receiver). 【Quality Assurance】 High-quality relays can be used more than 100,000 times. This product is more