<https://thegolfstor.com/product/revasri-laser-range-finder-for-golf-and-disc-golf-elevation-and-slope-calculation-flag-lock-and-vibration-1000-yards-3000-feet-rechargeable-rangefinder/#product>
<http://schema.org/description>
"Measure in Feet, Yards and Meters. Press and hold the two buttons on the top to change unit. 6X magnification, 4-1000 Yards/12-3000 Feet range, ±1 yard accuracy.\nMode 1 for measuring vertical elevation and straight line distance, hold measure button to scan. Mode 2 for golf slope compensation, hold to scan from far to near to lock the flag and trigger vibration.\nExtra large eyepiece and long eye relief make it comfortable to use. Fully multi-coated glass lenses enable it a bright clear view."
<https://thegolfstor.com/product/revasri-laser-range-finder-for-golf-and-disc-golf-elevation-and-slope-calculation-flag-lock-and-vibration-1000-yards-3000-feet-rechargeable-rangefinder/>