Compact and light, very resistant torch and completely seals even in great depth. Indeed, the double O ring on the front of the porthole and the magnetic switch eliminate all the possibilities from water infiltrations even after several years of use. - Food by 3 piles half torch of 1.5 volts (type C) - Bulb with iodine of 3.8 volts - screwed Porthole with fast opening, equipped with a double O ring - Parabola with facets for a homogeneous pencil of light - magnetic Switch