The Gunwerks G7 BR2 Ballistic Rangefinder measures from 10 - 2500 yards with a tilt sensor range plus or minus 90°, temperature sensor range from 0 to 122°F, pressure sensor range from 4 to 36 inHg, and a maximum ballistic calculation range at 1400 yards. The G7 BR2 Ballistic has a 330 feet field of view at 1000 yards, 8 hour battery life, 3 ballistic output units (inches, MOA, MRAD), and four TruPulse targeting modes (basic, near, far, scan). Gunwerks G7 BR2 Ballistic Rangefinder E1011