Theodolite TOPCON DT-205L
Centered laser optics for verifiable accuracy
up to 165 ft ( 50m ) away ( DT - 200L series )
Extremly low power consumption - 140 hours of operation from four AA batteries without laser
Waterproof and dustprof
Vertical angle correction provides accuracy + 3 minutes
RS232C Data I / O Port
For a more complete View in :
http://www.naryanatekindo.com