CLEARANCE

picture Below showing the wide and zoom field of view is done by hand on the cameras, rotating the lens counter-clockwise widens the field (lower mm) and rotating clock-wise zooms in (higher mm) these are manual cameras and this adjustment is done by hand and remains that way until adjusted again. lens are EITHER 4mm-8mm **OR**3.5mm-8mm Since power is 12 volt DC (not provided) which allows for both typical CCTV system use as well as auto or battery supply power sources for the ultimate portability-the camera assembly can be used covert by removing from main housing and relocated into other items for concealment. These will replace or upgrade existing vast majority of board cameras used in ceiling, pendant, recessed and wall mount globe housings. **the metal case surrounding camera measure 1 3/4" tall, 2 1/4" wide--The camera from top of lens to rear board measures 3" **WHITE BALANCE, AUTO-GAIN, BACKLIGHT COMPENSATION AND SHUTTER SPEED (up to 1/100,000) IS AUTOMATICALLY CONTROLLED BY CAMERAS INTERNAL CIRCUITS—THESE ARE SOPHISTICATED, HIGH END CAMERAS USING ADVANCED CCD IMAGING TECHNOLOGY**These are 1/3" color CCD image chips, all functions are automated by cameras on board computer making adjustments based on conditions in the cameras video target area. The Video processor is the PANASONIC series, same board design distributed and sold under Bosch, Ever-focus, Tyco, Axis, and many other commercial labels.