Main controller: ESP32 Supported lamp beads: WS2812X (series), etc....WLED can support Support voltage: 5V (12V not supported) Support current: within 5A (heat generation is normal) Supported line length: within 3 meters<br><br>Supported lamp beads: 144 pcs/meter (the number of lamp beads is directly proportional to the current and heat generation and inversely proportional to the voltage) Note: LED light strip is not included Colour:green Material:PCB+Components Due to different product batches, the appearance may vary, which does not affect the use<br><br>Package Contents: 1 * WLED controller 1 * Antenna<br><br>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.