The products default as RGBW controller,need match remoter, create colorful static or dynamic effect and can also be used as color temperature or dimmer controller, good compatibility.Adopt 2.4GHz wireless technology,can accept up to 10 remoter control. Can connect with external switches to achieve on/off and scene change function. Work with power repeater to expand output unlimitedly. PWM achieve 4096 levels flicker-less dimming. One controller can transmit the signal another controller, so the remote control distance can be beyond 100m.