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 (MM) 22 mm - FIELD OF VIEW 6.5