NON TOUCH   7" Smart USB LCD Monitor utilizes USB for both power and video. PC & MAC Compatible. Lightweight & Portable it is the perfect Laptop or Netbook accessory.  No additional video port, video cable or power adapter required.  Includes Landscape and Portrait viewing, adjustable stand, travel cover and Display Link software.

TOUCH PT1510MX - 15" Black Resistive Touch Screen LCD with Serial or USB Driver and Speakers

TOUCH  PT1745R 17" Black Economical 5-Wire Resistive Touch Screen LCD with Dual USB/Serial Controller, internal power, speakers

TOUCH   PT1945R - 19" Black Economical 5-Wire Resistive Touch Screen edge-lit LED LCD with Dual USB/Serial Controller, internal power, speakers

17 in Black LED LCD HID Compliant Zero Bezel 10-pt Projected Capacitive Multi-Touch, USB controller, VGA, internal power, speakers, -5 to 90 tilt range, 100mm VESA

10" (10.1" viewable) All-in-One Interactive ePoster, 10-point touch, 1280 x 800 resolution, 300 nits brightness, 800:1 contrast, Power over Ethernet, one-wire installation, HDMI, USB, Micro SD, 802.11 b/g/n wireless and RJ45 Ethernet, 8G internal memory and integrated speakers.