Hunting/Bird Watching Laser Rangefinder 6.5X Magnification Speed Measurement Laser Rangefinder Product Features 1)Min/max measurement 2)Continuous measurement 3)Stake-out function 4)Addition/subtraction 5)Area/volume 6)Pythagoras: 3 points, partial height 7)Height tracking 8)Illuminated display 9)Multifunctional end-piece with automatic recognition Specification Model NK-450 NK-600 NK-800 NK-1000 Laser Wavelength 905nm 905nm 905nm 905nm Working Temperature -20~50℃…