For use with R8500 Video Inspection Camera. REED R8500-20M Offers Features 9.8mm waterproof (IP67) camera head 65.6' (20m) cable coiled on spool Conveniently attaches to waist belt Four high visibility LED lights Included 9.8mm Camera Head on Cable Reel 2 x Ball Guides (1.5/2.5cm, diameter) Extension Cable