Item Type: Golfs Rangefinder Material: Plastic Product Size: Approx.9.5cm / 3.7in Battery Type: 2 x CR2032 (Delivered with Supporting Battery) Battery Model: 3V Battery Capacity: 210mAh Objective Lens: Approx.28mm / 1.1in Eyepiece: Approx.16mm / 0.6in 28 Magnification: 7 Times Long Test Distance: 930 Yards Viewing Angle: 7.8?? Purpose: Golfs Rangefinder Weight: Approx.130g / 4.6oz 1?��Material: High quality optical components with built in digital technology for distance measurement. Two operating modes, green mode and normal mode. 2?��Green Mode: Designed for golfers, it can easily measure the distance from your standing position to the cup. 3?��General Mode: Can be used in other situations. First, enter the height of the desired target. Then the digital 7x golfs rangefinder will calculate the distance between you and the target. 4?��Carbuncle Coated Optical Lens: With anti ultraviolet, glare and anti scratch functions. Align the digital range sign with the pushpin, press the button, and the distance in yards will be automatically displayed. 5?��Function: This is a golfs observation instrument that uses optical and digital technology to measure distance. This is a distance testing device. There is no energy radiation in any form, and there is no damage or damage to the human body during the activities of measuring distance.