1,2.5 in-ch minitor 2,High images 3,Auto white balance 4,The working-table can rotate 180 degree ... ModelAV-2800TLensF=1.6~3.7mm, f=3.9~85.8mmCamera scopeMAX:280*220mmEffective pixel800,000Zoom22 optical power zoom, 10 multiple digital zoomApertureAutomatic ... :LEDClose dimension460mm*310mm*100mmweight3.5kg Visual field analyzer,vocational supplies, auto focus