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: silver Lens : 28mm Eyepieces : 16mm Resolution: 13 inch Magnification: 7 times Farthest test distance : 250 yards ( one yard = 0.914 m ) Angle : 7.8 Power supply: two button batteries CR2032(included) Dimension : 90*50* 38mm Package size: 150*160*70mm Package includes: 1 X Digital Golf Range Finder 1 X Cloth 2 X Button Batteries 1 X Cover Bag Note: The item is not suitable for shooting.