KILO4K RANGEFINDER - Introducing the SIG SAUER KILO4K Rangefinder, the most advanced rangefinder in its class; Featuring SIG SAUER's Optical Image Stabilization the KILO4K delivers a crisp, clear image free from any user-induced hand shake or vibration ADVANCED TECHNOLOGY - The KILO4K is powered by user-configurable Applied Ballistics Ultralite, onboard environmental sensors for real-time precision updates, a 4x scan mode for ultra-fast ranging at distance, & includes BDX 2.0 for Bluetooth communication COATED LENSES - Spectracoat's highly efficient, ultra-wide broadband, anti-reflection lens coatings reduce surface reflections; While LensArmor abrasion-resistant lens coatings provide extreme durability ensuring the lenses on your device will stay sharp, bright, and clear BEST PERFORMANCE - Lightwave DSP engine leverages HyperScan - an advanced power management technique that provides the fastest refresh rate; AMR is the equivalent horizontal range & integrates perfectly when used in combination with SIG Ballistic Turret Dials MINDFUL DESIGN - Lumatic offers an adaptive ability to prevent your pupil from constricting in low light causing you to no longer be able to see your target; It also features Stealth ID - Electro-Optics industrial design inspired by SIG SAUER's legendary guns