Camera size:7*40mm(D*L)/0.27x1.56"Camera head outer diameter is 7mmType: Video Camera Sensor: CMOS High Definition:480P(SD) Image format: VGA/QVGAUSB cable: 500 cm / USB 2.0 interface Image Resolution: 640*480 pixels Lens: F#:2.8 view of angle: 54° Focal distance: 3cm-6cm Frame rate up to 30fps@VGA resolution Snapshot & LED lighting adjustable OS Support: XP WIN7Special Features: Waterproof / WeatherproofSpecial: Mini USB Inspection EndoscopeWaterproof camera head with two adjustable white 6 LED lightingThis Mini USB Inspection Endoscope use optoelectronic technology to investigate hard-to-reach area. It helps you to diagnose broken part， weld point and machine equipment to save time and increase productivity. It is also can be used in medical treatment.