Zigbee version is fully applicable to Tuya zigbee gateway. Other zigbee gateways (zigbee2mqtt) may not be to control all 24 channels due to network chip compatibility issues (only 8-10 channels of relays can be controlled). If there is a need to control 24 channels of other zigbee gateways, it is recommended to purchase 8-channel relays module. [Remote control]Only supported if you have purchased a remote control) (If there is a flash that does not meet the steps during the operation, please turn off the power and try again), Module power supply: 1. Support 12V power supply. 2. Support type-C interface power supply, it is recommended to supply power with a power supply above 5V 2A. The circuit board setting button setting supports remote control and 433mhz remote control as follows: (Learning self-locking) Quickly press the "Setting" button 5 times, relay 1 flashes, (click the setting button to change the learning relay number), at this time, long press a key on the remote control to learn a key, you can continue to press all the keys, after the operation, you need to power off and restart; [Jog setting] It needs to be set by Tuya APP, and the jogging time range is 1-999999999 milliseconds. Jog setting instructions: Input 1 for the channel number, the current jog time of channel 1 will be displayed below, and the jog time can be changed such as 500 milliseconds. Channel number input 2, the current jog time of channel 2 will be displayed below, and the jog time can be changed such as 500 milliseconds. Jogging time input 0 means this channel does not jog, set other channels by analogy. [Restore factory settings] Press and hold "Settings" for 10 seconds, let go when the indicator light flashes quickly, and it's done. Version: Zigbee Material: plastic colour: green Package Contents: 1 x 24 Channel Wireless Relay Switch Module 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.