The Cavision RGB Dimmer is an accessory for the Color LED Light Strip. The dimmer allows full range red, green, and blue color adjustments including color intensity and mixing. The dimmer measures 5.1 x 1.57 x 2.0" and weighs 3.35 oz.It accepts 100-240 VAC at 50/60 Hz input voltage and comes with a 12 VDC, 5 A adapter.