LMS400-2000 LMS for Indoor use with Reflectivity 4,5% to 200% Measurement range 0,7 to 3,0m, Laserpower 7,5 mW Aperture angle: 70° Option angle resolution 0,1 - 0,25° Measuring frequency 200 - 500 Hz Interface RS 232, 422 and Ethernet Basic device with re