... is optional.-Audio output: stereo L/R, 5W*2, 8Ω-Power supply: AC 110V 240V, 50/60HZ.Product Features and ... support functions between the card and card copying files.-Playing advertising program automatically and circular.-Support media format: MP4 (AVI: ... , Internet bars, beauty shops, golf course. 7 inch kiosk advertising display,wall mounting lcd monitor,picture frame with SD Card,digital photo frame ...