It uses the globally 2.4GHz channel and GFSK modulation method It has the characteristics of low power consumption, long transmission distance, strong anti-interference ability, and high air communication rate It has a built-in LCD screen, which can accurately display the color value, color temperature value, saturation value, brightness value of the track light, and can also save the direction and color of the track light. Voltage:12-24V Power Source:DC Item Type:RGB controler Controled Method:MI Light Features:2.4G Mi Light Led Remote Remote Distance:30m Applicable Lights:for MI Light led bulb Lamp light Colour:As Shown Material:ABS Due to different batches, there may be differences in product appearance and printed text, which not affect use Package Contents: 1 * Led Remote 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.