Model ER1900 19 in. widescreen diag color TFT LCD monitor uses 8-wire resistive touchscreen as input device. It can interact with most software applications after installation of driver software, Touch surface, protected by chemical- and abrasion-resistant polycarbonate overlay, responds to touch of finger, stylus, or gloved hand. Widescreen aspect ratio optimizes information display capability. Monitor is also available with onboard MAC mini or mini PC.