C-Light™ The LED C-Light™ is a durable, waterproof personal distress light with a 20 lumen LED that typically operates for 30 hours. Activated manually with an easy twist On/Off feature, it is perfect for outdoor enthusiasts. The slim, lightweight design fits easily in a pocket, or can discreetly hang on a life jacket or backpack with its lashing loops and versatile mounting options. It also comes with a clip designed to slide over an inflatable life jacket's oral inflation tube for convenient storage. Certifications include U.S.C.G. SOLAS CS and Transport Canada. Technical specs: Dimensions (H x W x Dia.) 5.06" x 1.38" x 1.2" (12.85 x 3.5 x 3 cm), Weight - 1.2oz (33 g), Battery - AA Alkaline x two (2), Operational Life - ≥30 hours, Activation - Manual, Waterproof - IP67