Model feature 12×42 high-definition magnification, FMC full-layer lens coating, using the latest optical technology to excellent light transmittance, brightness and low reflectivity. This technology s a clear and bright line of sight and protects your eyes from vertigo. Waterproof and anti-fog design, built-in compact monocular optical system to prevent dust from entering the monocular. The sturdy rubber armor makes it easy to use, non-slip, waterproof, and anti-fog, suitable for any weather and environment. Small and light. They are very useful for people who cannot fully adapt to traditional "binocular" vision. Specification Focusing system: central anti-skid focusing Model: 12×42 Eyepiece diameter: 20mm Field of view: 96m/1000m Exit pupil diameter: 4.2mm Exit pupil di: 10mm Waterproof grade: life waterproof Coating: FMC multilayer green film Package Contents 1 x Monocular telescope 1 ×Soft bag 1 x lanyard 1 x lens cleaning cloth 1 × Dust cover 1 × User Manual 1 ×Mobile phone holder 1 × Tripod