Features 1、HIGH ACCURACY: The total measurement distance of this rangefinder is 600m, the accuracy is 0.5 yards, the error is very small, and it can provide you with accurate yards. 2、WATERPROOF RANGEFINDER: The rangefinder is IP54 waterproof and can be used easily even in rainy days, suitable for outdoor sports. 3、6X MAGNIFICATION: The 6x optical magnifying lens of the laser rangefinder helps you see the measuring point clearly. 4、COMPACT AND PORTABLE: Small and compact, this laser rangefinder can be held in one hand and can be carried anywhere. 5、WIDE APPLICATION: This laser rangefinder can be used not only for power engineering, but also for outdoor sports, hunting, mountaineering, etc. Specification Item Type: USB Charging Rangefinder Material: ABS Battery: 1 x 3.7V Li ion battery, battery capacity 750mAh (built in) Measuring Range: 5-600M Laser Wavelength: 905 nm Charging Method: USB Accuracy Resolution: 0.1m Measurement Unit: Yards (Yd), meters (M) Magnification: 6X Eyepiece Aperture: Approx. 16mm / 0.6in Objective Lens Aperture: Approx. 25mm / 1in Exit Pupil Diameter: Approx. 3.8mm / 0.15in Waterproof Grade: IP54 Package List 1 x Rangefinder 1 x Storage Bag 1 x Instruction 1 x Power Charging Cable 1 x Belt Buckle 1 x Sling 1 x Glasses Cloth