REVIC BR4 BALLISTIC RANGEFINDER BR4 Ballistic RangefinderHeight3.25”Length4.85”Width1.65”Weight10 ozIncludedSoft Case, Lanyard, Lens ClothBody MaterialMetalWaterproofingIP67Operating Temperature-4°F - 140°F (20°C - 60°C)Measurements & SensorsLaser Rangefinder, Temperature, station pressure, compass, inclinometerBatteryCR2 (included)Display ColorRedBeam Divergence.2 x 1.6 MRADConnectivityBluetooth via iOS/Android AppUpdatesOver The AirRange Accuracyd < 200 yrd = +/- 0.5 yrd200 > d <2000 = +/- 1 yrdd > 2000 = +/- 3 yrd