Brook 7 x Digital Golf Range Finder Portable Scope Rangefinder Golf Diastimeter Lightweight Portable Laser Range Finder Features:A precision optical instrument designed for finding the distance between you and the flag.It uses precise optics and digital technology to measure distances.Twenty-two kinds of functions:1.GREEN MODE ( lawn function )This feature is specially designed for people who play golf , you can easily get the distance between your hole .2.GENERAL MODE ( general function )This function is suitable for ordinary circumstances , you first enter the height of the target in, you can measure the distance between you and the target .Descriptions:A newly invented instrument , this is a very safe distance measuring device.There is no safe form of energy radiation, distance measurement activities in the human body without any damage and destruction.Compact, lightweight and portable.Easy to use.Specifications:Color: silverLens : 28mmEyepieces : 16mmResolution: 13 inchMagnification: 7 timesFarthest test distance : 250 yards ( one yard = 0.914 m )Angle : 7.8Power supply: two button batteries CR2032(included)Dimension : 90*50* 38mmPackage size: 150*160*70mmPackage includes:1 X Digital Golf Range Finder2 X Button Batteries1 X Cover BagNote: The item is not suitable for shooting.