O2, Co and H2S ModelsZero maintenanceHibernation mode on the CO and H2S models for up to one year additional operating lifeCustom or factory-programmed alarm set pointsUser configurable bump and calibration remindersMultiple LCD display options including real-time gas readings, monitor life remaining, or bothThree point alarms (audible, visual and tactile)Data-logging capabilitiesName or assign monitors using a six-character user ID