The 2UP is Dallas Golf's very own laser rangefinder. It's an alternative to the rangefinders on the market from Leupold, Bushnell, and others. This premium rangefinder allows readings from 5 - 1200 yards. Fast acquisition w/ +/- 1 yard accuracy. Pin-Lock Technology with vibration, allows the golfer to easily and quickly zero in on the flag. This rangefinder has a magnetic mount, that allows you to easily mount it to the bar of the golf cart. The 2Up can also easily switch in and out of Slope mode. The rangefinder is legal during tournament play when Slope is disabled. All things that you generally find with rangefinders that are nearly triple the price! Included is a simple set of operating instructions so you'll be on the course ready to go in no time. Warranty is 1 year - provided by Dallas Golf. Satisfaction guaranteed.