This is easy using DMX512 light address code writer, In of LED control, the DMX512 protocol used by LED lamps must be addressed, and the DMX512 channel address on a single branch should be reasonably allocated. It can be quickly written as the address, and support testing to write the address is correct; Support SD memory card work, support almost common light, with built-in pattern to test light, with SD card, can be set sepcification to do onekey address writing. DC5V power, can be drived by removable power bank. Color: As shown Material: Aluminum Alloy Package Contents: 1 * SW201 DMX512 Address Code Writer 1 * SD card 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.