The Laser Technology Impulse 200XL Laser Rangefinders 7003555 are much more than just rangefinders. The Laser Technology Impulse Range-finders line comes with on-board solutions for height, horizontal and vertical distance; distance between two in-line objects; and cumulative distance for perimeter applications. Impulse 200XL Laser Tech Laser Range Finder 7003555 provides distance and inclination measurement. These reflectorless lasers are specifically designed for optimal performance under whatever conditions you might encounter in the field. They are lightweight, extremely rugged, completely waterproof and versatile. Use them as a handheld unit or mount them on a tripod for added stability. A built-in serial port provides for compatibility with most field data collection software, for added versatility. Specifications for LTI Impulse 200XL Laser Range Finders 7003555:Target Accuracy (Typical): 1 yd (1 m)Target Accuracy (Max): 2 yds (2 m)Overhead cable / Stake Range: 440 yds (400 m)Phone pole / Stockpile Range: 875 yds (800 m)Tree / Tower Range: 1315 yds (1200 m)Rock Face / Building Range: 2190 yds (2000 m)Max Distance: 2400 yds (2200 m)Range Resolution: 1 yd (1 m)Inclination Limits: +/- 90 degInclination Accuracy: +/- 0.1 degWeight: 2.2 lbs. (1 kg)Size: 6 x 2.5 x 5 in. (15.2 x 6.4 x 12.7 cm)Power Supply: (2) AA batteries (up to 20 hours of use)Environment: Waterproof to IP 67 and NEMA 6Temperature: - 22 to + 140 F (-30 to + 60 C)Features of Laser Technology Impulse 200XL Laser Range-finders 7003555:Custom backlit LCD displayAudible and visual indicatorsRS232 serial output for electronic data storageSelective range gating for positive target acquisitionCumulative distance capabilityDetermines the distance between two in-line objectsIntegrates with GPSPackage Contents:Laser Technology Impulse 200XL Laser Rangefinder 7003555Hand strap(2) AA batteriesOperator's manualPadded carrying case Optional Accessories:RS-232 to Bluetooth AdapterYoke and staffRemote trigger data cable