Alert-3 LCD Area Alarm for OXY, N2O, WAGD, VAC Amico s Alert-3 LCD Area Alarm actively displays your Medical Gas information on a highly visible 10" TFT LCD screen. Capable of handling up to 8 gases, one alarm fits all areas of the hospital, regardless of gas requirements. Facilities can also upgrade existing alarms via our simple Retro-fit, with no need to break walls or cut pipes. Bring your facility into the 21st century with state of the art LCD technology. Its quality and design will bring you years of accuracy and reliability.