The Scotty sea-light with suction cup mount is a non-permanent safety addition that is portable for kayaks and small watercraft. Designed to meet the demands of the Sea, but is also great for within a vehicle, for camping, and whenever a reliable high efficient light is needed. Includes versatile suction cup mount for use in both salt and fresh water. This 835 also offers an ACR detachable, fully sealed LED c-light and bright 20 lumen white LED for location Assistance during emergencies. The easy twist on/off activation is waterproof tested and the impact resistant construction is USCG/solas approved. The c-light is easily removed and can be attached to life jackets, backpacks, or can be hung from a pocket. C-light requires two AA 1.5V batteries (batteries not included).