... inductive switch, when you open the card will automatic play ,when you close the card will power offSpecificationsGeneralDevice ... photo viewerPC Interfaces:USBFeatures:Auto power offMiscellaneousCompliant Standards:Plug and Play, CE, FCC, RoHS, WEEEDisplayDisplay Type:2.8" – ... 30% deposit in advance, 70% balance before shippment. 2012 best seller/USB LCD greeting card 2.8inch digital photo frame for ...