Specifications:

-Objective Lens Diameter:45mm (EDM:50mm)
-Magnification:30x
-Image:Erect
-Field of View:1°30'
-Resolving Power:3.0"
-Minimum Focus Distance:1.3m

ANGLE MEASUREMENT:
    
-Accuracy:2"
-Method:Absolute
-Minimum Reading:1"/5"

DISTANCE MEASUREMENT:
    
-Distance Range: 1 prisms:2,000m, 3 prisms:2,700m
-Accuracy:(2mm + 2ppm x D)m.s.e.

Measuring Time:
    
-Fine Measurement Mode:1.2 sec. (Initial 4 sec.)
-Coarse Measurement Mode:0.7 sec.
-Tracking Measurement Mode:0.4 sec.
-Atmospheric Correction Range:Yes
-Prism Constant Correction Range:Yes

SOFTWARE AND MEMORY:
    
-On-Board Software Functions: Data Collection, Resection, Road, Stakeout, Area Calculation, Height Measurement, etc.
-Internal Memory: 24,000pts.
-Interface:RS-232C (Standard)

DISPLAY:
    
-Display Unit: Graphics LCD, 2 Slides
-Keyboard:24 Alpha-Numeric Key

TILT CORRECTION (AUTOMATIC INDEX):
    
-Tilt Sensor:Yes
-Correction Method:Liquid Type
-Compensating Range:3'

LEVEL SENSITIVITY:
    
-Plate Level:30" / 2mm
-Circular Level:10' / 2mm

OPTICAL PLUMMET TELESCOPE:
    
-Image:Erect
-Magnification:3x
-Focusing Range:0.5 to infinity
-Field of View:3° and above

OTHERS:

-Protection against water and dust: IP54 (with BT-L1 Battery)
-Operating Temperature: -20°C ~ +50°C (~4°F ~ +122°F)
-Dimension: 336 (H) x 184 (W) x 172(L) mm (13.2" x 7.2" x 6.8")
-Weight (with battery):4.8kg (10.6 lbs)

Includes:

-Topcon GoWin TKS-202 Total Station
-BT-L1 3000 MAH 7.2V Li-ion Battery
-BC-L1 Charger,
-Tool Kit
-Plumb Bob
-Lint-free Silicon Cloth
-Rain Cover
-Owner's Manual
-2-Year Warranty Certificate
-Carrying Case