Rosco LitePad Loop Standard Kit with LitePad Loop, Main Block, Sled, Accessory Collar, Safety Thumb Screw Wt: .4 lbs Power Consumption: 24 watts (2A @ 12 VDC) Power Input: 12 VDC Dimensions 9.1" (231mm) Diam. x 1.3" (33mm) Depth