Combining the best of both worlds, this powerful pocket light delivers stunning 250 lumens brightness with a changeable focus, from a wide and even light beam at 31 degree to a concentrated hot spot at 6 degree. The shinning distance is on par with many powerful primary LED lights. Twist the front to change the focus continuously. Magnetic swivel switch on the bottom, one hand operation. The sleek and ultracompact aluminium body can withstand the most rugged diving situation. Colour temperature: 6 500K (sun white light output); buoyancy in water: 87gr (including batteries); weight in air: 200gr (including batteries); diameter: 38mm; lenght: 142mm; maximum depth: 100m; burn time: 90 min; batteries: 3 x AAA 1.5V