1. 3.5 inch infrared conch shape hemispheres
2. 1/3 SONY CCD
3 . 420TVL
4. 36 pieces diameter is 5 millimeter infrared LE

ST - 3423  conch appearance hemispherical camera

Product features:

1.  3.5 inch infrared conch shape hemispheres

2.  1/3 SONY CCD

3 .  420TVL

4.  36 pieces diameter is 5 millimeter infrared LED lamp

5 when low illumination, CDS controlled infrared lamp open automatically

6. to provide 10-30 meters inspect distances

7. Standard matching 4-9 millimeter manual zoom lens

8. External lens focal distance is adjustable