The controller adopts the widely used 2.4GHz wireless technology, which has the characteristics of low power consumption, long signal transmission distance, and strong anti-interference. Wireless remote control. The controller has an automatic forwarding function and has two output modes: brightness and CCT. A compatible remote controller can control multiple controllers at the same time. It is widely used in the control of hotel lighting and home lighting. Adjustable color temperature,Adjustable brightness. With Remote control ,Remote control distance 30m. Product Name:2 in 1 LED Controller (2.4G) Model:HR2 Input voltage:DC12-48V Maximum load current per channel:30A Maximum total output current:30A RF:2.4GHz 2.4G remote control distance:30m Working temperature:-10-40 The product appearance and printed words depending on the batch, but this does not affect use. Colour:As Shown Material:ABS Package Contents: 1 * controller 1 * remote control 1 * English instruction manual 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.