Software Functions: Drawing Sketch; Taking Pictures; Video Record:extra-long time video (3.6GB/11 hours); Measure arc length of the object; Measure angle of the object; Measure point to point length; Pictures folder automatic generation when taking pictures; Video folder automatic generation when recording; Specifications: Magnification: 1/10~400X; Resolution: 2.0 MP 1600 x 1200 640 x 480 320 x 240; Focus: Manual focus; Working platforms: Windows 7 / XP / Vista / Mac OS / Linux; Software functions: Taking photos recording videos measurement text input; Photograph: software or photograph on the cable anti-tremble capture function; Videography: High compression 3.6GB / 11 hours; Image format: JPEG; Video format: WMV / DZC; Measurement: arc length point-point length angle; Calibration Ruler; Precision: 0.5mm; Max. Size: 19mm x 125mm; Light source: LED Adjustable brightness; Display speed: 30fps; Interface: USB 2.0; Dimension: 18cm (L) x 12cm (W) x 4cm (H); Gross Weight: 268g