1. USB interface camera, supports 3 model B. No drivers required. 2. Focal length of lens: F6.0 mm 3. Focus range: 20 mm (minimum). 4. Video resolution: 640 x 480. 5. Cable length: 75.5 cm / 29.7 inches. Specification: Features: Camera with USB interface, supports 3 model B. No drivers required. Focal length of lens: F6.0 mm Focus range: 20 mm (minimum). Video resolution: 640 x 480. Line length: 75.5 cm / 29.7 inches. Specification: Colour: black. Focal length of lens: F6.0 mm Focus range: 20 mm (minimum). Video resolution: 640 x 480. Camera size: 4 x 3.1 x 2.5 cm / 1.57 x 1.22 x 0.98 inches. Line length: 75.5 cm / 29.7 inches. Package weight: 30 g Quantity: 1 piece. Information: 1. Focusing control. On a computer with a USB camera focusing the best display effect. 2.
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