The Airspace AI-1200 Carbon Monoxide Gas Monitor with LCD includes all the features and performance of the AI-1100 CO Monitor and adds an LCD display that shows accurate CO gas concentration levels from 12 to 250 parts per million (ppm). The new “Rev 2” version of the AI-1200 includes a white LCD backlight for reading ppm levels in low light conditions and can be activated at any time by pressing the multi-purpose button. Airspace gas monitors use advanced Gas Sensor AGS Technology™, a highly sensitive solid-state semiconductor sensor that responds quickly when detecting CO gas, requires no routine calibration and comes with a full 5 year warranty. A free 30 day demo unit is available upon request.