1、High Light Transmittance: This rangefinder adopts coated optical lens to ensure enough light transmittance to guarantee accurate measurement. 2、High Accuracy: This laser rangefinder adopts laser ranging method, which makes the measurement results have high accuracy. 3、Multifunctional: Ranging, speed measurement, altitude angle measurement, flagpole scanning, etc., can meet the needs of various fields. 4、Sturdy Structure: This rangefinder is made of non slip, sturdy material, with beautiful design, with waterproof, non slip, dust proof structure. 5、Easy to Use: The product is small in size, easy to use, simple to operate, can be operated with one hand, and can be used with confidence. Item Type: Range Finder Material: Plastic Gross Weight: 343g / 12.1oz Distance: 5-600m Unit: yard or meter Visual Safety: FDA (Classl) (CFR 21) Laser Type: 905nm Display: LCD Product Size: Approx.124 x 82 x 46mm / 4.9 x 3.2 x 1.8in Battery (delivered without battery): CR2 3V x 1 Ranging Accuracy: change: <300M, accuracy + 0.5m; > >300m, accuracy +1m Angle: 7 degrees Magnification: 7 times Exit Pupil Diameter: Approx.3.8mm / 0.15in Diopter Adjustment: +3 Range, Speed, Angle, Height Measurement Function: yes Power Indicator Function: yes Laser ranging is widely used in: topographic survey, industrial measurement and control, mining, hunting, port and other fields 1 x Host 1 x Storage Bag 1 x Rope 1 x Cloth 1 x English Instruction Manual