Telescope: Imaging: Inverted image Field of View: 1°30'
Objective lens effective aperture: Φ45mm   Resolution: 3"
Magnification: 30× *Short Focus Distance: 1.0m
Range Measurement: ±(1mm + 1.5×10)-6· Prism ±(2mm + 2×10)-6·D)/ Prism-Free
Span: 1000m/No Prism 5000m/Single Prism
Angle Measurement: Measurement Method: Absolute Encoding
Angular Accuracy: 2"
*Small Reading: 1"
Compensator: Dual-axis Compensation Compensation Range: ±3′ Compensation Accuracy: 1″
Power Supply: Operating Voltage: 7.4V DC (Rechargeable Lithium-ion Battery)
Office Hours: ≥ 12 hours
Other:           Display:                  Dual-sided dot-matrix LCD display (Chinese characters 8 rows, 15 columns)
Keyboard: Full-numeric keypad
Communication: RS-232C/USB/BT (optional)
Memory: 120,000 points, hot-pluggable SD card
External Temperature and Pressure Sensor
Waterproof, dustproof: IP55