DM-DO-IR-V620AVF Sony Super HAD CCD II Dome Camera has a new case design for easy open, The razor sharp 620 TV lines will allow u to have the best image quality there is on the CCTV industry. The 0.01 LUX gives you the best image quality at night with out the Infrared Lights, Camera is fully equipped with WDR, AGC BLC HLC 3DWDR and OSD build in to change any setting you may wish to change. The 2.8~12mm lens will give you a wide angle and a narrow angle so u can cover a office up to 20x20 feet. The 24 LEDs has a 82Ft Illumination Range. The new and casing are stronger than other regular vandal proof domes. Solid aluminum mix with metal makes it strong and light weight.