1- 1/4" Color Sharp CCD 0.8/1.0Lux/F1.2 2-1/3 SONY COLOR CCD 3- 1/4 SONY COLOR CCD 400/420TVL MODEL = 5566 Number of pixelsPAL:512(H) ?82(V) NTSC:512(H) ?92(V) System of signal NTSC/PAL Dimensions(mm) 119(L) ?0(W) ?4(H)