Sig Sauer KILO 3000BDX Laser Range Finding Binoculars, Patented BDX (Ballistic Date Xchange) system which pairs to your BDX SIERRA scope via the SIG BDX App - OLED Display, ABU (Applied Ballistic Overlight) & ABX (Applied Ballistic External) Ranges up to 5000 Yards (1500yds Deer, 2000yds Trees), OD Green, 10x42mm