Vector Optics Forester 6x21 GenII Rangefinder6x Magnification, 5 1500 Meters 5 1600 Yards Range, Measure in Meters or Yards 450 Yards PinLock or Small Object, Scan Mode for Multiple Targets, 0. 2S Responded Time W Angle Ranging to Get the Sloped True Horizontal, Height & Line of Sight Distance Transparent OLED Display Allows You to Read Data at Low Light Condition Very Compact Portable Palm in Hand Size, Range and Mode Buttons Only, Easy of Use Magnification 6x Objective Lens Dia 21 mm Exit