... capacity for the 8Mb, can store 52-80 picture,Image, calendar clock setting and display, alarm function,Supported file formats: JPEG / ... automaticallyOperating system: Windows 2000 / XP / Vista, MAC,Adjustable screen display brightness and contrastThe built-in lithium battery, the working voltage ... us(SAMTECH)trademanager: cn220141221Tel: 86-755-23932510Fax: 86-755-23932510 Digital Picture Frame