The PROSTAFF 1000i 6x 20mm Laser Rangefinder features ID (Incline/Decline) Technology-with a Horizontal Distance / Actual Distance display mode that can be easily switched depending upon your preference. With a solid 1,000-yard maximum ranging capability that fits into the hand, together with compact ergonomics that fit your pocket, the PROSTAFF 1000i is perfect for rifle or bow hunting. A 6x optical system makes seeing, and ranging, deer out to 600 yards a reality, while the Tru-Target system allows you to select either First Target or Distant Target Priority. Weather resistant/rainproof construction. FeaturesMultilayer coating applied to lens and prism surfacesLong eye relief is perfect for eyeglass wearersID Technology delivers the one number you need for your best shot to account for incline or decline shooting anglesTru-Target Technology allows the user to switch between first target and distant target modes