... Specification:1. LCD screens: 1.8″, 2.4″, 3.5″, 4.3″, 5″, 7″2. Auto start and loop.3. Build-in ... Li-battery for 2.5hrs-8hrs video working time4 ... and upload video13. Operation system: XP / Vista /Windows 7/Mac. and so onWelcome to talk about the details!1 ... ? Ok, we help you to make it come ture. 2. You have your own design? Ok, we manufacture them ...