Gentos Headlight DPX-333D Brand new. It uses dry cell batteries and is very durable, making it suitable for fishing and outdoor activities. Size (approx.): Head section/Width 72 x Depth 44.2 x Height 47.9mm, Battery box section/Width 84.8 x Depth 30.4 x Height 53.8mm Body weight: Approx. 236g (including batteries) Set contents/Accessories: Main unit, head band, test batteries (3 x AA batteries) Brightness: High/400 lumens, Mid/200 lumens, Eco/30 lumens Batteries used: 3 x AA batteries Light source used: 1 high-brightness chip-type white LED Practical lighting time: Head section (High/7 hours, Mid/13 hours, Eco/63 hours), Battery box section (Continuous lighting/100 hours, Flashing/150 hours) Functions: 2m drop durability, dustproof and water-resistant (IP64 compliant) Maximum beam distance: Approx. 154m