LRM 2500   Optional NVS Coupler that provides the ability to attach a night vision monocular Medium range laser rangefinder monocular family comprises four models: three of them use unified ergonomic lightweight black body with rubberized grip, The models, identical in optics, deliver their outstanding features via advanced data processing algorithms implemented in electronics. All models measure distance to terrain features and still objects as well as speed of moving vehicles. Results can be displayed either in kilometers or in miles. Additionally: LRM 2500 model enable immediate data acquisition through RS232 port, making them compatible with computers and various GPS receivers. Target selection and gating algorithm dramatically improves reliability of measurement in unfavourable ranging conditions (rain, snow, bushes, wires, etc.)   Product Features: Instant and accurate distance measurement Variable measurement units (Meters, Yards) Laser active indicator Target quality indicator Reticle selection (cross or rectangular) Last 10 readings recall Speed detection function (KMH, MPH) Specifications Model Magnification Objective lens diameter Field of view Dioptre adjustment range   Ranger Finder Laser type Distance measurement range, m Azimuth measurement range Elevation measurement range Distance accuracy, m Azimuth accuracy Elevation accuracy Distance resolution, m Measuring time, sec First / last logic Gating capability / Step, m Meters / Yards display Computer output Last 10 readings recall Reticle shape selection (+ or []) Target quality indicator Scan mode Speed detector   Miscellaneous Battery Tripod socket Weight without battery, g Dimentions, mm   LRM 2500 7x 25 mm 8 ±4 Eye safe 905 nm 20-2,500 - - ±1 - - 1 0.5 V 100-2,500 / 100 V RS232 V V V V V 9V Lithium non-magnetic V 452 127x125x60