Vividia 9mm Portable Flexible Inspection Camera Borescope with Dual-Lens Camera Head and 2.4" LCD Monitor Dual Cameras: front and side camera with resolution at 640X480. Easily switch between front and side cameras. 3.3ft flexible extendable tube. 2.4 full color LCD Monitor. Focal Distance: 4cm to Infinite. Waterproof camera heads & cable meet IP67 standard (the monitor is NOT waterproof). Illumination: 4 white LED lights for front camera and 2 white LED lights for side camera, with adjustable brightness. Can add extensions to the unit for a longer cable. Easy to use, lightweight, handhold design. Powered by 4x AA batteries (included in the package). Dimension: Handheld Monitor Size: 7.5x3.2x2.0; Flexible cable length: 100cm (3.3ft); Flexible cable outer diameter: 8.0mm (0.31in); Camera head outer diameter: 9mm (0.35in).