Color: Black Magnification Power: 10x Objective Lens: 42mm Exit Pupil Diameter: 21.5mm Ranging Range :6-1500M Speed Measuring Range:0-300KM/H Ranging Error: 1M Ranging : ranging ( to the human eye) Field Angle: 5 Dimensions: 155x130x62mm Waterproof Battery: 3V(CR2) Operation Temperature: -10℃-50℃/-50℉-122℉ 20s no operation will automatic shutdown Product Name: Telescope Magnification: 10x Caliber: 26mm Eyepiece type: foldable eye mask. System: Center Waterproof and anti-fog: Waterproof. Color: black Size: 110*112.5*41mm [Number of packages] x 1