Sig Sauer KILO 3000BDX 10x42mm Laser Rangefinder Binocular (SOK31001) 10x42mm Laser Rangefinder Integrated Precise Target Distance Up To 5,000 Yards Range On Deers: Up To 2,000 Yards Range On Trees: Up To 4,000 Yards Max Reflective: Up To 5,000 Yards BDX Ballistic Data Xchange Capable Revolutionary LightWave DSP Technology HyperScan Technology &; RangeLock Scan Modes OLED Display Lumatic Display Automatically Calibrates Display Brightness To Changing Ambient Light Condition Compact, Lightweight Magnesium Housing With Binocular Style Eyecup and Diopter Adjustment Bluetooth Synchronization With SIG Ballistic App