A heavy duty four channel simple chase sequencer brings life to your lighted animation. Chase speed is determined by adjusting a simple rotary knob on the front of the unit. 150 watts per channel. Its dimensions are 2-1/2"" wide, 3-3/4"" high and 1"" deep. Non-grounded unit. 120VAC, 60 HZ use only. UL approved for indoor and outdoor use.