Product DescriptionImage sensor: 1/4 "Sharp CCD, 1/3" Sony CCD Resolution: 420TV Lines / 480TV Lines(optional) Minimum lumination: Olux/F1.2 S/N ratio: More than 48db Shutter speed: 1/50(1/60)-1/100, 000sec Power supply: AC 220v Built-lens: 22 x zoom Infraed wave length: 850nm Infraed lamps: 80m LED number: 36pcs