Usage Tips: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 appSafety & Energy Efficiency:15A fuse for overcurrent protection, auto power-off relay, and Level Shifter IC for stable signal missionEasy 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-DInput voltage:DC 5-12-24VTotal Output Current: 15A MaxProtocol: WiFiOperating Temperature: -20-45℃Suggested Wire Type: 0.34-4mm²(22-12AWG)Stripping Length: 10mmSize: 108x45x18mmNote: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 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: WhiteMaterial: ABSPackage Contents:1 * ESP32 WLED Strip ControllerOnly 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.