Quite possibly the last rangefinder you'll ever need, the Leica Rangemaster CRF 3500.COM Rangefinder is a compact, state-of-the-art ballistic powerhouse, complete with Bluetooth technology. This rangefinder boasts a class 3R laser, capable of providing precise, reliable, and repeatable range-finding measurements at distances up to 3,500 yardsregardless of the environmentin fractions of a second. Built-in Bluetooth functionality, the Leica Rangemaster easily syncs with the Kestrel Elite weather meter for applied ballistics technology, as well as the Apple Watch, making it easy to silently and accurately transmit data between spotter and shooter. Plus, this weatherproof rangefinder enables you to create individual ballistic profiles in real time, managed through the Leica hunting smartphone app. Manufacturer model #: 40508 Class 3R laser for unmatched reliability Accurate measurements up to 3,500 yards Easily syncs with Kestrel Elite and Apple Watch Individual ballistics profiles managed through Leica hunting smartphone app