Model No.: VG-CSO32IR15M: 1/3'' Sony Super HAD ii CCD, 420TVL VG-CSO54IR20M: 1/3'' Sony Super HAD ii CCD, 540TVL Specification: *6-15M IR Night Vision *3.6mm lens *12pcs IR Leds(23pcs IR Leds is optional) *can work outdoor&indoor *with audio function