Gain Control: ≥105dB Display Resolution: 1280 ×1024 or 1024 × 768 Gray Scale: 256 Delay: 3 mm - 12mm Field of View (depth × width): wide view (10.6mm × 13.5mm), normal (5.3mm ×6.7mm) Scanning Method: sector scan Resolution: Axial: 50um; lateral: 100um Accuracy of Geometrical Position: axial: ≤10%; lateral: ≤15% Display Mode: B Image Buffer Space: ≥100 images Screen Measurement: distance, angle, area and so on Communication Interface: USB Image Format: JPG, BMP Film Format: AVI Footswitch: Start\Freeze and Capture image Image Processing: Brightness and contrast adjustment, γ correction, color change, color reversal, amplification, text annotation Print Report: Observation, image content can be selected to print Hard Disk Capacity: more than 80GB Monitor Resolution: 1280 x1024