Used To Reduce The Air Conditioner Start Up Power Demand On The AC Power Source; For Use With Dometic Penguin II Series Air Conditioners; 12-1/4 Inch Length x 7 Inch Width x 5 Inch Depth; With 1 Assembled Mounting Bracket Attached To Device/ 1 Hose Clamp And Worm Screw/ 4 Wire Ties/ 1 Compressor Wire Harness/ 1 Supply Wire Harness