Model No.:
VG-GSO54IR40M-V: 1/3'' Sony Super HAD II CCD, 540TVL
VG-GSO66IR40M-V: 1/3'' Sony Super HAD II CCD, 660TVL

Specification:
*1/3'' Sony Super HAD II CCD. The picture is better than Sony Super HAD I.
*540TVL/660TVL for your option
*42pcs Taiwan high life span IR Leds
*IR distance 20m-40m
*4-9mm high quality vari-focal lens
*come with all-in-one bracket
*double glasses, no ir reflection
*New designed state-of-the-art thick waterproof housing
*You can adjust the lens externally easily
*can be with OSD function