TWD-I108-480， 1/3” Sony Color CCD, 480TVL, 30pcs Powerful LEDs, Ranging Distance: 45-55m, 4-9mm Varifocal IR Lens and adopt the Metal-roller system design to control the lens, double-lay IR crystal filter to reduce the noise while working at night, Cable-managed bracket to easy install and protect the video cable, Anti-reflection Glass, DC12V, Size: Φ82*122mm  (9-22mm varifocal Lens optional).