... wide range of surveying instrument-Automatic Level, Digital Level, Optical Level,Transit Level.. Digital Level: DL-202ModelDL-202AccuracyStandard Deviation per 1Km ... ManualCD(software), Data-transmission Cable, SD Card (1G)Standard StaffAluminum Digital Staff (ADS)Please refer to ''Leveling Rods & Leveling Staffs ... Spanish,Portuguese,Turkish,Russian and Polish Surveying Equipment: Levels: Digital Level