Advertising Video Card, Promotion Video Card, Video Paper Card (VC-002) 7" TFT-LCD, resolution 800*480 Customized content Advertising Video Card, Promotion Video Card, Video Paper Card (VC-002) Best AD Video Card for ... , 1G, 2G, etc.3. Battery: 500mAH, 1000mAH, 1500mAH, 2000mAH Advertising Video Card, Promotion Video Card, Video Paper Card (VC-002)