Introducing the Sig Sauer KILO4K Rangefinder, the most advanced rangefinder in its class. Featuring SIG SAUER’s Optical Image Stabilization (OIS) the KILO4K delivers a crisp, clear image free from any user-induced hand shake or vibration. The KILO4K is powered by Applied Ballistics Ultralite which is user configurable to your exact rifle and projectiles, onboard environmental sensors for real-time precision updates to ballistic solutions, a 4x scan mode for ultra-fast ranging at distance, and includes BDX 2.0 for Bluetooth communication with other BDX enabled sights and devices. For users looking for category-leading ranging performance and vibration-free image quality look no further than the KILO4K. FEATURES: Optical image stabilization for long-distance, razor-sharp imaging Gen II lightwave DSP ranging engine Onboard temperature, pressure, and humidity sensors for accurate real-time ballistic calculations 5 target modes; first, best, last, fog, extended range 5 range modes; BDX-U, BDX-X, AMR, LOS, Archery Drop remote waypoints with BASEMAP app Applied ballistics UltraLite with complete ab bullet database, up to 25 bullet profiles, and 8 onboard ballistic groups BDX 2.0 enabled with low energy, long-range Bluetooth IPX-7 waterproof runs off cr123 lithium battery and integrated tripod mount MAGNIFICATION - 6x OBJECTIVE LENS DIAMETER - 22 mm FIELD OF VIEW - 6.5º EYE RELIEF - 15 mm OVERALL LENGTH - 4.1 in HEIGHT - 3.1 in OVERALL WIDTH - 1.6 in WEIGHT - 7.5 oz LASER DIVERGENCE - 1.25x0.25 MRAD BATTERY - (1) CR123 RUN TIME - 4000 ranges DIOPTER ADJUSTMENT RANGE - +/- 3 COLOR - Graphite RETICLE - Circle + Milling Grid DISPLAY TYPE - TOLED RANGE ON DEER - Up to 1600 y RANGE ON TREES - Up to 2000 y MAX REFLECTIVE - Up to 4000 y