48" Fiberscope / Borescope / Boroscope / Endoscope Kit with Case 48" flexible fiber-optic tube Waterproof tubing can be submerged safely in most non-corrosive fluids9.6mm outer diameter 7,000 pixel resolutionIlluminated tipLED illuminator in grip provides light to fiber-optic tipAdjustable eye-piece focusMinimum Lens Focus Distance : 10mmPower: 3 "AAA" batteries (included)Kit includes:48" long x 9.6mm diameter fiber-optic tube & LED illuminator Battery holder (3 AAA batteries included)Right-angle view mirror tip attachmentLocking aluminum storage case with 2 keysInstruction sheet