Universal Compatibility: Designed to work seamlessly with 433MHz devices, this remote control receiver is perfect for controlling garage doors, lighting systems, fans, and motors Multiple Voltage Support: This receiver is compatible with DC6V-30V voltages, ensuring easy integration into a variety of electrical systems Enhanced Control: Equipped with dual-channel relays, it can independently operate two different devices at the same time, thereby improving efficiency and convenience Powerful Signal Transmission: This device is designed for reliable, uninterrupted signal transmission, ensuring that each is executed quickly and accurately, thereby improving your overall system responsiveness Working voltage:DC6V-30V Working frequency:433MHZ Working current:less than equal 10A (The product appearance and printed words depending on the batch, but this does not affect use) Color:Black Material:plastic Package Contents: 1 * Remote Control Switch 1 * Remote Control 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.