Hassle-Free Auto-Connection with ACK: Upon arrival, Alexa automatically recognizes it on the same network for instant pairing-no QR codes or complex setup required. Professional RGBCCT Control with High Power: Drive RGBCCT (RGB + CCT) LED strips with precise color and tunable white light adjustment. To ensure accurate color and white light control, RGB and white LEDs cannot be illuminated simultaneously. Supports DC 5-24V input, with up to 15A per channel and 20A total output. Flexible Setup for Custom Lighting : Easily create lighting for various applications like under-cabinet, cove, or accent lighting to match any mood or occasion. Due to different batches, there may be differences in product appearance, color, and printed text, which will not affect the use. Color:White Material:ABS Package Contents: 1 * LED Controller