SIG SIERRA 6 BDX 5-30X56 34MM SFP BDX-R2 BLK Integrated BDX™ Ballistic Data Xchange. A Rangefinder and Riflescope System That Uses Ballistics, Environmental Conditions and Bluetooth to Illuminate the Exact Holdover Dot Based on Target Distance BDX 2.0 and Onboard, User Configurable, SmartBDC™ with 9 Ballistic Groups Automatic Holdover Dot displayed on a Digital Focal Plane BDX-R2 reticle with 194 individually addressable, LED, hold points Advanced Bluetooth™ with up to 30 yards of connectivity to KILOBDX Laser Rangefinders and other devices Up to 95% light transmission MAGNIFICATION 5-30x56mm MAINTUBE DIAMETER 34mm RETICLE BDX-R2 DIGITAL BALLISTIC RETICLE W/ 194 LEDS FIELD OF VIEW 21’ AT 100 YARDS EYE RELIEF 3.7 in OPTICAL COATINGS HDX COATINGS ILLUMINATION 8 DAYLIGHT / 2 NV BATTERY (2) CR2032 WATERPROOF IPX-7 OVERALL LENGTH 14.75 in OVERALL HEIGHT 2.5 in OVERALL WIDTH 3.15 in WEIGHT 30.4 oz ADJUSTMENT 0.25 MOA