The Scotty Sea-Light features the Scotty Ball System joint design that enables a smooth and complete full range of motion for the Sea-Light. The corrosion proof construction of this system provides a long service life in both fresh and salt water applications as it is designed with stainless steel fasteners and a stainless pole.This model 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).