... 4.OEM Available 5.FCC,CE,ROHS,FDA The Laser range finder monocular is a portable optoelectronic device ... changed easily. The laser range finder monocular can be widely used for travel, sightseeing, golf sports, hunting, camping as well ... "+"——Aiming indication5) "8888"——Distance Display will be in 4 figures6) ""——Laser transimission indication7) " "——Low battery indication8) "M","Y"——Distance unite9) ...