1. Screen size: 9" (16:9) 2. Resolution degree: 480 x 240 (RGB) 3. System: PAL / NTSC 4. Power supply: DC 12V 5. Power: about 7.5W 6. Service temperature: +5oC-+40oC 7. Storage temperature: -20oC~+60oC 8. Video: two-way video input, V1 / V2 switchover 9. Blue screen in case of no signal 10. Left and right style 11. Special reversal switchover function for reversal back-sight: at the time of reversal, images can be switched over in four directions 12. Keystroke and remote control operation 13. Appearance size (L x W x T): 400 x 165 x 27mm