FindFine 16.4ft Android phone USB Endoscope 5.5mm HD 5m Waterproof Snake Borescope USB Camera FindFine Long Android Smartphone USB Endoscope Inspection Camera, 5.5mm Diameter Ultra Slim 6 LEDs HD IP67 Waterproof Snake Borescope Mini USB Inspection Camera. only works with android 4.0+ OS,doesn't support IOS.Your android phone must support connect external camera and OTG function. There's also a turning wheel used for adjust the brightness of 6 LED lights so that work in some area without enough light Waterproof usb borescope endoscope package include a micro to USB line, It can also be used for computers. Only works with Android 4.0 and above 4.1,4.2 system phone, does Not support iOS system; Support And Usage - Extend Your Hands and Eyes. motor vehicle detector, sewer pipeline detector, car maintenance and repairing, underwater camera, waterproof Micro-cameras,Engines Inspection, Boiler Inspection, Manufacturing,The bottom of the bed , Fish tank , closestool , Outdoor adventure, furnishing installation, parts assembly,construction sites,workshops,laboratories,education, Aviation Maintenance, Power Plants ,Wind Turbines, Treatment Plants ,Equipment Maintenance ,HVAC ,Plumbing, sewer, etc.