Two measurement units are switchable, you can adjust it to M or Yd according to your needs Great for use in golf, hunting, building construction, forestry survey, hiking, outdoor sports, power detection, etc Using high-definition optical prism set with 6.5x magnification to improve viewing effect and accuracy The magnetic function makes attaching it to the golf cart bar easy Built-in 450mAh rechargeable battery, low power consumption and long battery life Compact and lightweight, simple to operate and easy to fit in your palm and pocket Specification: Measuring range: 5-600m Measurement accuracy: ±0.5m Speed range: 20-300km/h Speed measurement accuracy: <5km/h Laser wavelength: 905±5nm Angle measurement range: 0-90° Laser safety class: CLASS 1 Units of measurement: yards (Yd), meters (M) Magnification: 6.5X Eyepiece aperture: 13mm Objective lens aperture: 24mm Focusing method: eyepiece focusing Ranging mode: support All-in-one mode (measure distance and angle, and calculate height and horizontal distance): support Scan mode (continuous measurement of distance, angle, height and horizontal distance): support Two-point height measurement mode (measure the height difference between two points): support Speed measurement mode (measuring the speed of objects): support Golf distance correction mode: support Memory storage function: support Angle calibration: support Mode memory function: support Flagpole lock (vibration prompt): support Angle switch (slope switch): support Magnet adsorption: support Memory storage: 10 groups Working temperature: -20℃~50℃ Waterproof grade: IP54 Battery: 450mAh lithium battery Size: 107*81*37mm