SC-16     1/4" SHARP CCD, 420TVL, 3.6/6mm lens; 15M IR Distance,20Pcs IR Led,12VDC

SC-16A   1/4" Sony CCD, 420TVL, 3.6/6mm lens; 15M IR Distance,20Pcs IR Led,12VDC

SC-16AS 1/3" Sony CCD sensor,3.6/6mm lens; 15M IR Distance,420Line;20Pcs IR Led,12VDC

SC-16ASD 1/3" Sony CCD sensor,3.6/6mm lens; 15M IR Distance,480Line;20Pcs IR Led,12VDC