... the device thru WALN Group control files 7inch Digital Photo frame with WIFI 7 inch WiFi Signage DeviceDisplay: 7 inch TFT LCD ... resolution, 250cd, 300:1Internal Memory: 128MB to 2GBMemory Card: Bult with SD/MMC/MS/XD/MS Pro Card Reader, 1xUSB2.0 ... , MP3, MPEG1/2/4, Divx, Xvid, M-JpegAudio Output: Built with stereo speakers and Headphone JackPower Supply: 100-240V Power input ...