4-Channel Contro:Drive and individually control 4 LED strips (WS2811/2812, SK6812, WS2815, etc.) for multi-zone lighting effects.(eed to set up segmented control in wled app) Music Sync & 100+ Dynamic Effects:Built-in mic for sound-reactive lighting, plus 100+ preloaded effects (rainbow, fire, meteor, etc.) via WLED app Safety & Energy Efficiency:15A fuse for overcurrent protection, auto power-off relay, and Level Shifter IC for stable signal transmission Easy Firmware Updates & Wide Compatibility:Wireless (WLED app) or wired (UART) firmware upgrades; supports popular addressable LED protocols. Compact & User-Friendly Design:Clear wiring ports, ESP32-powered performance, ideal for home, commercial, and professional lighting projects. Model No.: -C-017WL-D Input voltage:DC 5-12-24V Total Output Current: 15A Max Protocol: WiFi Operating Temperature: -20-45℃ Suggested Wire Type: 0.34-4mm2(22-12AWG) Stripping Length: 10mm Size: 108x45x18mm Note:The controller in this link has 4 channel output, not 4 controllers. Please select WLED 0.15.X ESP32.Bin to update the firmware. The wrong firmware erase the original firmware information and cause damage to the controller. Due to different batches, there may be differences in product appearance, color, and printed text, which not affect the use. Color: Black Material: ABS Package Contents: 1 * ESP32 WLED Strip Controller 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.