Description : 1, 1/3"SONY CCD is optional 2, 480/520 TVL is optional 3, Ã 5mm 36 IR LED 4, IR range 30m 5, 4-9/9-22mm Vari-focus Lens from Outer Change 6, Cable out of Bracket IR Design 7, AGC/BLC/Image adjustable 8, Double Glasses to reduce IR Disturb 9, IR Auto-open by CDS Control in Low Lux