Effortless Setup and Use: This kit features a USB-powered receiver that connects directly between the power supply's male connector and the device's female connector. This design eliminates the need for complex wiring, offering a plug-and-play experience right out of . Pre-configured for Immediate Use: The transmitter and receiver are pre-paired for your convenience, ensuring a hassle-free setup. The system operates in a lock mode where pressing the "A" key activates the receiver relay, and pressing the "B" key deactivates it. Reliable Wireless Connectivity: Utilizing advanced technology, the remote control ensures stable and consistent signal transmission. It can penetrate walls, floors, and doors, maintaining control over the receiver up to a distance of 20-50 meters without any obstacles. Versatile Application: Ideal for a wide range of USB-powered devices such as LED lights, light strips, fans, and more. The switch enhances the functionality of devices in homes, offices, or commercial settings, making it a versatile addition to any tech toolkit. Advanced Learning Function: The receiver is equipped with a learning function that allows for the configuration of multiple controllers and the addition of extra remotes. Each set is independently coded to prevent interference, ensuring smooth operation across devices. Color:Black Material:plastic Package Contents: 1 * Transmitter 1 * Receiver Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.