... day and night imported from Japanese ,* Backlight compensation automatically/ color balance , singal noise ratio is more than 48dB, ... monitor indoor;2.8MM,6MM optionable;* Aluminum Platform, plastic shell optionable, good design for abstraction of heat.* Small size ... suitable for indoor installation. Technical parameter ModelJB5806AM-SImaging deviceSharp Color CCDImage pixelPAL:500(H)×582(V) NTSC:510(H ...