Built with the bowhunter in mind, the new RX-FullDraw 4 gives you the advantage you need to tag out every season. And with ? yard accuracy, theres no second-guessing your distances. The RX-FullDraw 4 rangefinder features our unique Archer's Advantage software, which uses your arrow weight, arrow velocity, and peep height to calculate extremely accurate ballistic solutions out to 175 yards. It is also loaded with Flightpath technology, taking the guess work out of achieving the perfect shot every time. This extremely fast rangefinder also ranges out to 1,200 yards, so even if youre too far to take the shot, youll know how much distance you need to close in order to seal the deal.