Bolayu 7M 6LED USB Waterproof Endoscope Borescope Snake Inspection Camera Plastic Imported Total length : 5M. Camera head outer diameter: 7mm. Pixels: 300000 pixles. Resolution: 640*480(VGA), 30 ftps. Built-in 6LED light(with brightness control)on camera head to illuminate the inspection area. This mini USB inspection camera makes use of optoelectronic technology to investigate hard-to-reach area. This inspection camera has many appliactions including ear detection, oral examination, search and rescue,pipeline inspection, engine inspection,video monitor, sewer pipe inspection, cast mould.