Supereyes Y003 5.4mm Waterproof Handheld USB Digital Microscope Magnifier Borescope Endoscope with Side Mirrors Outer camera diameter is only 5.4 mm, total length is 160 mm. All Supereyes microscopes are protected by strong, light, skinny and environmental friendly aluminum alloy body. Unique WATERPROOF IP 7. Powered by 2.0 USB. 0.3M pixel CMOS sensor. Adjustable LED light. Auto white balance and auto brightness balance. Magnification: 1 ~ 200X , continuous zoom capability (combined optical and digital zoom, 200X is calculated on 21" monitor ). Focal distance from 5 mm to 1000 mm. Compatible with Windows 10/8/7/Vista/XP SP2/2000 32/64 bit, Mac OS X 10.5 or above, Linux. For Mac, please simply use Photo Booth or FaceTime to open the device, no driver or additional software needed. Measurement function is only available on Windows systems, including length, arc, rectangle, distance measurement and etc. Snap shot and video recording functions. Photo format: JPEG. Max Photo Capture Resolution: 640 X 480. Max Video Capture Resolution: 640 X 480. Video format: WMV for Windows systems, AVI for Mac OS. Maximum display speed 30f/s.