Pro Lite T1731SR-B5 is based on 5 wire resistive touch technology. The price / performance ratio is ideal for the budget conscious user while quality & performance are certainly not compromised. The display inputs include both analog & digital (VGA, HDMI & Display Port) with touchscreen connectivity via USB (Universal Serial Bus) offering great flexibility. A solid & steady base supports the touchscreen with an adjustable stand offering full 90-degree angles. The Pro Lite T1731SR-B5 can be used in a variety of environments, especially recommended for shops, restaurants & industrial purposes. Resistive touch technology 5-wire resistive touchscreens are very durable & can be used in a variety of environments. They are especially recommended for shops, restaurants & industrial purposes. IP54 IP54 means that the monitor will operate in dusty conditions, and will resist splashing water. LED-backlit A typical CCFL LCD uses four backlight lamps. Using LED diodes considerably lowers the power consumption & reduces the CO2 emission into the environment making this LCD a true eco-friendly product.