High-Precision Technology: Equipped with 6x magnification, our golf laser rangefinder features a total range up to 800 yards, 250 yards to flag with +/- .5 yard accuracy. There are two batteries one for replacement, No more worrying about running out of power during the game or training. Superior Optics for Clearer View: the advanced fully multi-layer green coated lenses, which can effectively reduce the scattered reflection of the light and improve the brightness and the color contrast. so you will have brighter view, clearer and delivers crisp images. Slope Measurement: Take the guesswork out of measuring distances with this slope laser rangefinder. Featuring continuous arc (angle range compensation)technology, the system automatically takes into account the incline/decline to give you the true distance between you and your target.Play with confidence and take your golf game to new heights. Ergonomic Design Fast Focusing: The textured rubber increases the friction, makes it comfortable for use and keeps it from slipping out from your hand. The single-handed helps you focusing on target quickly and accurately .device delivers a short vibrating "burst" to confirm that you’ve locked onto the pin even with shaky hands. Must-Have Golf Accessory: 1x Laser Rangefinder, 1x Hard Carrying Case, 1x Gift Box, 2x CR2 battery, 1x Carabiner, 1x Lanyard, 1x Cleaning Cloth, 1x User Manual. 2 SCAN MODES: Profey professional golf laser rangefinder has two modes. M1 with Continuous Scan Mode +Straight-Line Distance for tournament legal. M2 with Slope Tech +Flag-Lock+ Angle Measurement.We are confident in our product and will provide a 1-year warranty. If you meet any quality issue with our product, we’ll directly send a new one or a full refund is optional.