Model Number: 66AD-002 Brand Name: Chinsources Key Specifications/Special Features: OTG Ear BoreescopeFunction: photo, video and storage, etc;Support Android system: OTG & UVC smartphones or iPad(CD);Support Windows: XP/Win7/Vista/Win8(CD)Resolution: 640*480 pixel; Frame Rate: 30fpsLen Light: LED lights(4pcs);Total Length: 600mm; Tube Length: 30mm;Len O.D. : 5.5mm; Tube O.D. : 5.5mm;USB Cable Length: 1m; Focal Distance: 5mm-80mm Model smart phone OTG otoscope Dia of lens 5.5 mm rigid lens Waterproof IP67 Cable length 1M Led 4 pcs adjustable LED lights Display resolution image 640*480 pixel(30 fps) Video pixels 640*480 pixel View angle 60 degree Focal distance 1-5 cm Working temperature -10-60 centigrade degree Working platform Smart phone,windows2000/windows XP/Vista/Windows 7/Windows 8 Snapshot on PC can be used photo ,Video both can be in smart phone and PC WIFI Box can make it connect any smartphones