4-Channel Control: Drive and individually control 4 LED strips (WS2811/WS2812, SK6812, WS2815, etc.) for multi-zone lighting effects. (Segmented control must be configured in the WLED app.) Music Sync & 100+ Dynamic Effects: Built-in microphone for sound-reactive lighting, plus 100+ preloaded effects (rainbow, fire, meteor, etc.) via the WLED app. Safety & Energy Efficiency: 15A fuse for overcurrent protection, automatic power-off relay, and level shifter IC for stable signal transmission. Easy Firmware Updates & Wide Compatibility: Wireless firmware updates via the WLED app or wired updates via UART; 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°C to 45°C Suggested Wire Type: 0.34–4 mm² (22–12 AWG) Stripping Length: 10 mm Dimensions: 108 × 45 × 18 mm Note: This controller has 4-channel output — not 4 separate controllers. Please use WLED firmware version 0.15.X (ESP32.bin) for updates. Using incorrect firmware may erase the original firmware and damage the controller. Due to production variations, product appearance, color, and printed text may differ slightly between batches — this does not affect functionality. Color: White Material: ABS Package Contents: 1 × ESP32 WLED Strip Controller (Other items shown are not included.) Note: Lighting conditions and display settings may cause slight color variation between images and the actual product. Measurement tolerance: ±1–3 cm.