4.5W LED rock light for additional illumination. Can be installed on a RRAC215, to create a RRAC188. Can be installed on a Slimsport Rack Handle Bracket RRAC216, to create a RRAC190. Includes installation hardware. Electrical connection required. Using the RRAC165 is recommended (sold separately). Consists of:1 x LED Rock Light 4.5W Materials used:Black plastic Product Dimensions:99mm (3.9'') L x 51mm (2'') W x 54mm (2.1'') H Weight:85g (3oz)