The GPO Flagmaster1800 Golf Laser Rangefinder will make your game better by merging exceptional optical performance with the latest rangefinding technology. It is equipped with a fast-focus ocular which helps you locate the object you want to range. Center that object in the view-finder reticle, press the button and the Flagmasterwill quickly calculate the actual or slope distance for you. Know your distance and elevate your game. IncludedFlagmaster 1800 Cleaning cloth Hard case Battery Wrist carrying strap Carabiner clip Technical FeaturesMagnification: 6X Objective diameter: 20 mm Field of view /1000 m: 132 m Minimum range: 6 m Angle inclination: +/- 60° Scan rate: 3 scans per s Slope compensation: Yes Line of sight: Yes Tactile PinSeeker: Yes Detection flag with prism: Yes Detection flag without prism: Yes Display: Hi-LCD Waterproofness: IPX4 Battery: CR2 Battery life: 4000 measurements Weight164 g (5.8 oz)