17mm camera diameter and 2.4" Color TFT LCD Monitor Video Borescope Inspection Camera with 17mm camera diameter and 2.4 inch color TFT LCD Monitor is ideal for Home Inspection (Inspect in walls for mold, insect infestation, electrical wire or water pipe location); HVAC ( Inspect inside ducts, behind motors and compressors); Automotive (View inside or around engines and transmissions); Industrial (Inspect weld integrity, process equipment, gears, molding machines); Aerospace (Aircraft inspections for contamination, debris, cracks or other damage), and Government (Safety and security inspections) Applications. Glare-free close-up field of view. Display detaches for easy storage. Complete with 4 x AA batteries, extension tools (mirror, hook, magnet), video output jack, and hard case.