Voltcraft bs 17 endoscope voltcraft bs 17 the volcraft bs 17 is a usb endoscope that is used as a visual aid for optical fault diagnostics and inspection of de energised systems and equipmentthe endoscope gooseneck includes a camera head that is waterproof and suitable for use in watery liquids but not acids or lyes the handle itself is not waterproof and must not be exposed to or immersed in any liquidwith its flexible gooseneck the colour camera at the tip of the device can also re