4-Channel Wireless Relay Remote Control Switch, 433MHz RF Remote Control, AC 230-220V 10A Relay Receiver with Key Fob, 2 Transmitters, Large Terminal, Easy Wiring

【Excellent Design】433 MHz RF wireless remote control switch. Stable and reliable performance with high receiving sensitivity (>-97dBm). A strong signal can penetrate walls, floors, and doors. It can be controlled from up to 50 meters away without obstacles. You can remotely operate each device connected to the relay receiver via the remote control. 【Easy to Use】Extremely easy to set up and reset. There are 3 operating modes (momentary/toggle/latching) to choose from. You can easily configure it yourself according to your needs. The product's operating mode is adjustable. These products are tested before shipping and programmed in toggle mode. It can also be configured in mixed mode, such as 2 channels in momentary mode and 2 channels in toggle mode. 【Increased Flexibility】 This receiver contains four 10A relays, each with three terminals (normally open, common, normally closed). These four relays are independent, allowing you to remotely control each one independently. They feature potential-free contact, passive output, and dry contacts. Each receiver can store approximately 20 transmitters, and one transmitter can control multiple receivers. 【Quality Assurance】 These high-quality relays have a lifespan of over 100,000 uses, making them more durable and stable. The high-power terminals can handle a current of 10A, ensuring reliable operation even with unstable current. The receiver is suitable for voltages from 85V to 240V, offering greater flexibility. It is compatible with 220V, 230V, 240V, and 110V. 【Wide Application】These products can be used in homes, farms, factories, offices, laboratories, supermarkets, etc. You can remotely control each device connected to the relay receiver via the remote control. Examples include garage doors, electric doors, shutter doors, expansion doors and electric curtains, motors, lamps, lighting, ventilation devices, signal transmission, and so on.