SNDWAY SW-600A 8X Telescope Laser Range Finder Monocular Distance Meter Product Material: Plastic, Resin Size: 100 x 75 x 40mm / 3.94 x 2.95 x 1.57 '' Range: 3-600 m Type: Laser Range Finder Multi-Function LCD Eye Lens, Clearer To Watch; Silent Operation, Automatic Power-Off System, More Energy Efficient; Pulsed Laser Range Finder, Harmless To Eyes; Quick Range Measuring (The Maximum Distance Will Vary With The Reflectivity Of Different Target Objects And Climates); Speed Measurement Function; Specifications: Product Material: Plastic, Resin Product Size: 100 x 75 x 40mm / 3.94 x 2.95 x 1.57 '' Product Weight: 220 gm Range: 3-600 m Speed Measurement: 0-300Km / H (Usually 5Km / H Vertical Measurement Error) Ranging Error: ± (0.5M + Dx0.2%) (High Reflection Surface) Protection Level: Ip54 Angle Range: ± 90 ° Telescope Magnification: 8x Exit Pupil Diameter: 3.8 mm Battery: Built-In 750mAh Lithium Battery Battery Life: 800 Times Charging / Discharging Applications: Golf, Urban Construction, Power Installation, Outdoor Activities Package Included: 1 X Laser Ranger Finder 1 X Storage Bag 1 X Lanyard 1 X Charging Cable