Specifications: - Distance: 50-150 meters - Mini size: 5.5cm x 4.5cm x 1.0cm - One receiver can work with 400 codes - No interference with other remotes and receivers - Selector: Equipped with 8 dip switches, allowing users to create different combinations for various remotes Power Input Selector: This receiver operates at AC/DC 9V~30V. Adjust the PIS according to the power input. If the input voltage is greater than 24V, short pin 2; short pins 1 and 2 if the input is less than 24V. Color: White + Black Material: ABS Programming a new remote: 1) Select the correct configuration for the remote by adjusting the dip switches up or down. For example, for 433.92MHz remote controls, set Dip-switch 7 to the UP position. 2) Press the learn button. The LED will turn on. 3) Press the button on the remote. The LED will flash four times, indicating successful programming. 4) Repeat for additional buttons. 5) The procedure for programming the second channel is identical. Erase all data from memory: Press and hold the learn button. The LED will begin flashing. Continue holding the button until the LED turns off. All stored data will be permanently erased. Compatibility: Compatible with all 433.92MHz fixed code remotes Package Contents: 1 x Receiver 3 x Remote Control Note: Only the items listed above are included. Other products are not included. Light reflection and differences in display settings may cause slight variations in the color of the item as shown in images compared to the actual product. Measurement allowance is +/- 1-3cm.