This industrial endoscope is a portable handheld video endoscope system. It using the 3.5 TFT LCD display and 5.5mm HD camera with a flexible insertion tube.it can be easily inserted to see the small space which hard to see. The HD camera provides a good quality image with adjustable LED lights on the tip allows you see even in the dark place. The camera head and tube are waterproof (IP67) which makes it possible to work in multiple environments. This endoscope can be widely used in vehicle inspection pipeline inspection equipment inspection outdoor detection and other industrial and household use. Specification: 3.5 TFT LCD Monitor; Resolution: 320 x 240 (350MCD); Micro USB for power; 4 pieces AA batteries; Camera: OD5.5mm; Tube Length: 1M; Resolution: 640 x 480; Lens: F#2.8; FOV: 60 degree; Focal Distance: 3cm~infinite; Light: 6 adjustable LEDs; Waterproof: IP67; Work Temperature: 55'C (LEDs on); Safety Information: Do not use this camera with other LCD monitor. Do not use the external power supply and batteries to power a device at the same time; Do not use it in an inflammable and explosive environment. Do not expose it in the rain or damp environment.. Do not use it near any heat sources. Do not use it in an area where it could contact electrical wiring or an electrically charged object. Keep children and bystanders away while operating it; This appliance is not intended for medical use or personal inspection.