Model FW629AT Panel Size 7inch TFT LCD, Touch Panel 4-wire resistive ( USB or RS232) Resolution 800× 480 ( Up to 1920× 1440 ( DVI, ) Aspect Ratio: 16: 9 Brightness 300 cd/ ¡ Contrast 500: 1 Viewing angle 140° , 120° ( H, V) Voltage DC12V± 15% Signal input VGA.AV1.AV2. Power consumption d6w Work temperature 20^ 55 Store temperature 30^ 65 Size mm 184( L) × 126( W) × 32( H) Weight 435g