iMBAPrice - Dual 7 Inch Rackmount LCD Monitor (19 inch 2 x 7 inch) Dual monitor LCD 19" rackmount cost effective color monitor display for video applications where good no-frills visual quality is required. Housed in a very lightweight anodized aluminum 19" rack mount enclosure the product is perfect for camera monitoring, security applications and Outdoor Broadcasting(OB) operations. It operates on 12VOLTS 1.2Amps and features front and rear BNC video inputs that both have a tracking LOOP OUTPUT in the rear. A 12VOLT DC power supply is provided but it can simply be powered by any 12VOLT DC source including batteries or 12VOLT power rails.The power supply is 110/220V 50/60 CYC and will work in 220 countries with the proper plug adapter (not included).Unit is 16X9 aspect ratio only and displays 16X9 video, when 4X3 video is input it is stretched to fit the 16X9 display.