SIG SAUER'S Patent Pending Ballistic Data Xchange(TM) Technology utilizes, low-energy Bluetooth with embedded Applied Ballistics Ultralight and the free BDX tm App to sync custom gun profiles and environmental conditions to your KILOA(R) and pair your KILO to any BDX-enabled riflescope or sight for shots out to 800 meters.Features:6X22 mm monocular with SpectraCoat(TM) anti-reflection coatings for superior light transmission and optical clarity.Revolutionary Lightwave(TM) DSP Technology for the fastest and longest distance rangefinder engine.Hyperscan provides 4 range updates per second in scan mode while RangeLock reports the last range result when ranging distant targets.Features line of sight or angle modified range. Units in yards or meters to tenth Y/M resolution.Transparent OLED display for daytime and low light use.Lumatic(TM) Display automatically calibrates display brightness to changing ambient light conditions.Compact, polymer housing and eyecup with integral diopter adjustment.Simplified user interface with RANGE and MODE buttons only.Rangefinder configuration can now be done through the free SIG BDX(TM) App.Displays windage and elevation within KILO HUD for every target that is scanned.BDX2.0 with 8 onboard, embedded ballistic groups along with QuickBONDA(R) to bond your KILO with a SIERRA riflescope without having to use the BDX App.