This document summarizes the specifications of the 1/3” Colour Board Camera Models SPB-3420D and SPB-3420DD. The cameras feature high resolution of 420 TV lines, a 1/3” Sony Super HAD CCD imaging sensor, auto tracking white balance, backlight compensation, and minimum illumination of 0.1 Lux. They support various lens options and resolutions ranging from 420 to 540 TV lines. Key specifications include PAL/NTSC compatibility, auto backlight compensation, NTSC/PAL resolutions, 1/60-1/100,000 and 1/50-1/110,000 electronic shutter speeds, 3.6mm F2.0 lens, auto gain control,