Features: A precision optical instrument specially designed to measure the distance between you and the flag. It uses precision optics and digital technology to measure distance. This function is suitable for general situations. You can measure the distance between you and the target by inputting the height of the target first. Description: A newly invented instrument, which is a very safe range finder . There is no safe form of energy radiation, and ranging activities will not cause any harm or damage to the human body. Small, lightweight and portable. Easy to use. Specifications: Color: Silver Lens: 28mm Eyepiece: 16mm Resolution: 13 inches Magnification: 7X Farthest Tested Distance: 250 yards (one yard = 0.914 meters) Package includes: 1 X Digital Golf Rangefinder 1 X Cloth