Calibration Test Stand, Product Type Testing Station, Standards ATEX, CSA Certified, UL Listed, Includes Demand Flow Regulator, Mounting Location Tabletop, Visual Alert Type Digital Display, Display Type Digital, Mount Type Freestanding, Communication Protocol Not Applicable, Data Logger Yes, Compatible Systems and Services Cellular Carriers: AT&T Global Partner Network, Verizon (USA Only), Series ALTAIR io(TM) 4 Gas Detection Wearable, Sub-Brand ALTAIR io(TM), Alert Type Digital Display