NON TOUCH 21.5" SD222-YA Digital Signage with a Media Player. The 21.5-inch SD222-YA is a combination of a regular monitor and a "Plug-and-play" multimedia player, it is ideal for use as a digital signage. Users simply need to insert a USB device or SD card to the display for instantaneous access to the files. The SD222-YA features an AH-IPS LED panel and built-in 3-watt stereo speakers for vivid visuals and crystal-clear sound.