The Oasis Scientific Vividia VC-3815 Joystick 360 Articulating Borescope with 3.8mm diameter insertion tube is waterproof (IP67) and wear resistant with a titanium alloy camera head. The tube is protected with tungsten braided mesh layer. A rechargeable battery can last for 4.5 hours. The Vividia industrial Videoscope VC series are durable, high image quality, and manual 360-degree joystick controlled articulating borescopes with replaceable insertion probes. The VC-38 borescopes have probe camera diameter of 3.8mm, and the length can be customized from 1m to 3m. The standard length is 1.5m (model VC-3815).