1.Manufacturer 2.IR RGB led dimmer 12v 24v 3.Touch ring is high sensitive ... is an 12+1 key intelligent dimmer specially designed for LED lighting, it adopted the most advanced PWM (pulse-width ... time with the dimmer, also it can extend the LED life tenure and save energy, suitable to dim hi- ... so when user to select power must more than LED light load power, at least more than 20%. IR LED Dimmer 12V~24V