Varilight KQDP601W Leading Edge Dimmer Switch White PVC 600W 1-GangVarilight V Com LED dimmer switches feature leading edge dimming technology and are suitable for higher loads or specific LEDs that require leading edge dimming. This includes the Halers H2 Pro and the JCC FGLED6 integrated LED downlights. _1 way or 2 way operation _220W Will dim up to 30 LED lights _400W Will dim up to 40 LED lights _600W Will dim up to 60 LED lights. This version is supplied on a twin plate