1Optical observing system: laser technology, the object to be measured is clear like that in front of you, the measurement is quick and accurate, and the error is small. 2Stable performance: high performance technical support, stable measurement data, wear resistance and long service life. 3Ergonomic design that make it easier to operate, comfortable to hold. 4Shell is made from engineering plastic, waterproof and dust-proof and fall off. 5Widely used in mountaineering camping, golf course, power, construction surveying, etc Features:Optical observing system: laser technology, the object to be measured is clear like that in front of you, the measurement is quick and accurate, and the error is small. Clear lens: use HD coating and clear lens, imaging clear. Stable performance: high performance technical support, stable measurement data, wear resistance and long service life. Ergonomic design that make it easier to operate, comfortable to hold. Shell is made from engineering plastic, waterproof and dust-proof and fall off. Widely used in mountaineering camping, golf course, power, construction surveying, etc. Specification:Material: Plastic & Aluminum alloyWeight: 256g/9ozColor: BlackModel: LR600PMeasuring Range: 5-600mMeasurement Accuracy: +/- 1 mSpeed Range: 0-300 km/hSpeed measuring precision: +/- 5km/hUnit of measure code: Yd, MAngle measuring range: NOAngle measuring error: NOField Range: 7 Magnification: 6XEyepiece aperture: 16mmObjective aperture: 24mmExit pupil diameter: 3.8mmDiopter: +/- 3 Focusing mode: eyepiece lensFog mode function: YESHeight measurement function: NOAngle measuring function: NOScanning mode: YESClose golf mode (preferred): YESVision security: "the FDA level (Class1) (CFR 21)"Laser wavelength: 905 nmLCD liquid crystal display: through type LCDDust and water: IP54Battery model: 2* AAA batteries (NOT included)Instrument Size: 4*10.5*7.3cm/1.6*4.1*2.9inchPackage List:1* Digital Laser Rangefinder1* Hanging cord1* Cleaning cloth1* Black Bag