... by WIFI Send ad file by wifi Metal case with locker 18.5 inch Wireless advertising Dispaly, China factory, Metal case Wireless AD ... LED, 1366x768 resolution resolutionInternal Memory: 128MB to 2GBMemory Card: Bult with SD/MMC/MS/MS Pro Card Reader, 1xUSB2.0 Port ... , MP3, MPEG1/2/4, Divx, Xvid, M-JpegAudio Output: Built with stereo speakers and Headphone JackPower Supply: 100-240V Power input ...