... investigate damages, issues, and situation within a deep hole, pipe, or between rocks and stones Endoscope DVR is an efficient tool ... x 240 or 640 x 480 Tip (insertion tube) diameter: 6mm Insertion tube length: 1m (custom length acceptable) Frame rate: -30fps S/N ... 480) Video recording format: MPEG-4, 320 x 240 at 30fps Language: English