Discription With VGA input,it can work as a Personal Computer when connecting directly to PC; With AV input,it can work as a car entertainment system when connecting directly to DVD player; With HDMI input,it can work as a video entertainment system when connecting directly to HD DVD player,PC,computer,camera; With touch screen operation,it can work as a display unit for car GPS SystemProduct Details HDMI input: Supports 1080p and 1080i, Compatible with Devices with HDMI or mini HDMI output such as Canon 5D mark II,Canon 7D,Nikon D300S and D3S and so on LED Backlight: yes Built-in Speaker: yes VGA input: Compatible with Laptop, Computer, Panel PC AV input: Compatible with DVD/VCD Player/Security System/Navigation system/Rear view camera Remote control: yes Difference from 819AH and 819AHT: 819=8inch, A=AV,HDMI input; T=Touchscreen Auto- Rear view: There is a back up signal from rear view camera ,the monitor screen will change from current view (HDMI or D-sub) to AV1 or AV2 automatically.(optional) Display Panel: 8 inch TFT LCD Screen Resolution: 800* RGB*480 (800*480*3=1,152,000pixels) VGA Support MAX resolution: 1920*1440 Aspect Ratio: 16:9 Display Ratio: 16:9 or 4:3 adjustable OSD Languages(8 available): English,Chinese,Francais,Italiano,Deutsch,Espanol,Japanese,Pycc Brightness: 300 cd/m2 Contrast Ratio: 500:1 Signal Input: HDMI,PC(VGA),AV1,AV2 VGA input: 15pin D-SUB interface Video input: 2 video input Audio input: 1 audio input Color System: PAL-4.43 / NTSC-3.58 Viewing Angle: 140°/120°(horizontal/vertical) Video input signal: 1.0Vp-p Voltage input: DC 11V- 13V Current input: DC 1.2A-1.5A Weight: 0.58kg (only monitor) Accessories: AV Cable: 1 pcs VGA Signal Cable: 1 pcs Driver Disc: 1 pcs Stand Bracket: 1 pcs Home AC adapter: 1 pcs Car Power Adapter (DC 12V): 1 pcs Remote Control: 1 pcs Manual: 1 pcs Touch pen: 1 pcsIt will take 3 5 business days to arrive.