Specifications:Camera head outer diameter: �� 10mm (0.3937inch); Total length: The 2-15 meters optional;Waterproof Leval: IP*67Resolution : 640*480 30ftpsUSB2.0 interface， Can adjust the 4 light-emitting diodesFocal distance:4-6cmBasic computer inquires:Connecting computer to the video endoscope， you must satisfy requirements Below:Computer must have at least one serviceable USB connection port.System: Windows 98 / 2000 / Me / XP / Vista / 7Internal memory: 64MB or higherDisplay: Picture element 640X480 or higherCPU: Pentiums 300 or higherHard disk serviceable space: 12MB or AboveColor: BlackWeight: 219gPackage Weight: 242gNote: This product does not support the Apple system.Packing content:1 x USB Borescope Camera