1、DIRECT CURRENT 12V‑24V: Please check whether your power supply is direct current power supply before purchasing LED lights controller (This product is only applicable to direct current power supply, not applicable to AC power supply). 2、UPGRADED LED DIMMER: LED lights controller has 0 percent to 100 percent stepless dimming, easy to adjust the brightness by touching the remote control to meet different preferences and needs. 3、MEMORY FUNCTION: The LED dimmer switch has a memory function, so it will retain the last dual color temperature dimming level after you turn it on via the wall switch. 4、WIRELESS RF REMOTE CONTROLLER: The LED dimmer is equipped with RF remote control, which supports long distance control up to Approx. 30‑50m/98.4‑164.0ft with strong and stable signal transmission. 5、FULL KIT, PREMIUM MATERIAL: LED colorful controller kit package includes 1pc dimmer switch, 1pc remote control (with 1pc button battery). Premium iron and ABS material, lasting and stable performance.