MB 2 / MB 3 This unit is optimally suited for outdoor usage. Being totally waterproof, it will float on the water if accidentally dropped. It can satisfy both professionals and amateur needs. Distinguishing design features are large bright objective lens (56 millimetres), ergonomic and convenient grip, independent focus adjustment for objective and ocular separately, focus adjustment lever, which eases operation in the darkness.         Product Accessories: Lens cap Case User manual Warranty Card Strap   Product Features: Totally waterproof Floats on the water Ergonomic Built-in infrared illuminator Automatic brightness control Convenient focus adjustment Specifications Generation Magnification Field of view Dioptric correction Objective F number Power supply Battery life, hours Dimensions, mm Weight, kg   1 2.4 26° ±4 1.2 2 AAA 25 (Without I/R) 10 (With I/R) 106x151x74 0.500