When hunting or playing long range airsoft game with a scope, you can see more clearly, aim more specifically. And with a rangefinder, even judge the distance with greater accuracy.
With a LCD display , you can judge the distance more accuracy.
Also Fit for construction working too
Do NOT push On/Off button and Mode button at the same time. Or it may cause trouble.
Ranging method: semiconductor laser (harmless to eyes)
Ranging display mode: LCD display
Effective objective diameter: 24mm
Exit pupil diameter: 3.8mm
Exit pupil distance: 12mm
Focusing mode: eyepiece focusing
Field of view at 1000m: 122m
Ranging mode: RAIN, RELF, >150, No display (stands for standard mode)