The Sig Kilo 2200 BDX is the world's most advanced laser rangefinder -- featuring the ability to pair with the Sierra3bdx riflescope to share ballistic data and holdover information in a lighted reticle dot. The Kilo 2200 features the new Ballistic Data Xchange (BDX), Hyperscan technology, and Embedded Applied Ballistics Engine with support for G1/G7.FEATURES:-BDX(TM) Ballistic Data Xchange capable, providing your BDX riflescope with an automatic illuminated holdover dot through Bluetooth pairing-Revolutionary LightWave DSP(TM) Technology for the fastest and longest distance range finder engine-HyperScan(TM) Technology provides 4 range updates per second in scan mode while RangeLock(TM) reports the last range result when ranging distant targets-Embedded Applied Ballistics Ultralite with bullet database and support for G1/G7-Low Energy Bluetooth 4.0 for synchronizing up to 25 custom ballistic profiles between the free SIG Ballistic App and rangefinder-Advanced OLED display provides a smaller, extremely precise targeting circle along with milling features and ballistic info including holdover angle-Line of Sight or Angle Modified range in addition to full ballistic holdover and windage results in MIL or MOA-Lumatic(TM) Display automatically calibrates display brightness to changing ambient light condition-Compact, lightweight magnesium housing with binocular style eyecup and diopter adjustment-Free downloadable SIG BDX App for your smartphone, iOS and Android are supported-Covered by SIG SAUER's INFINITE Guarantee(TM) and Electronics Limited Warranty, see website for full details RANGE - Up to 3400 Reflective / 1300 Deer / 1600 Trees BATTERY - (1) CR2 COLOR - Gray RETICLE - Circle + Milling Grid OVERALL LENGTH - 4.4 in (110 mm) OVERALL WIDTH - 1.3 in (33 mm) HEIGHT - 3 in (76 mm) WEIGHT - 7.5 oz (215 g) DISPLAY TYPE - OLED ILLUMINATION SETTINGS - 10 + Auto FIELD OF VIEW - 6.78 degrees EYE RELIEF - 15 mm OBJECTIVE LENS DIAMETER - 25 mm