Nikon ProStaff 7 Laser Rangefinder Nikon's ID (Incline/Decline) Technology compensates for various incline or decline shooting angles An improved LCD display with an LED backlighting allows selection of the mode that contrasts best against subject and background For fast, easy measurements, the single button operation of the PROSTAFF 7 is simple to use and automatically powers down after 8 seconds Ultra-compact in size, the PROSTAFF 7 easily fits in a pocket or a pack and is comfortable for all-day use Incredible 18mm eye relief allows for easy, comfortable viewing