This AIM Commander 5 Gas Detector in great condition and Comes with the Detector, Infrared adapter with serial connector plugs into computer to help ensure communications with the IRDA ports of 740 and 950 Detectors. As with any electronic measuring instrument after shipment receiving this unit it should be recalibrated. It has fouralkaline batteriesCase, Carry Case, Software version 3.16, Tube, Gas Valve, and Battery Pack, charger. Please email me with any questionsPre-calibrated Smart SensorsTake command of your work environment with the peerless Commander by AIM, the first and only portable multi-gas detector with the power of Instant-Ready, pre-calibrated Smart Sensors.Specifications Display ............................................................................ Large LCD with designated line for each sensor readingBattery ............................................................................ Alkaline (AA batteries) or rechargeable Nickel Metal Hydride (NiMH)Operating Time ............................................................... Alkaline: 28 hours (diffusion), 16 hours (with pump)NiMH: 22 hours (diffusion), 12 hours (with pump)Alarms/Indicators ........................................................... LED High/Low; Audible: 103dB @ 1 ft.Sensors ........................................................................... Electrochemical, Catalytic bead, Metal Oxide SemiconductorOperating Temperature ................................................... -40°F to 122°F (-40° to 50°C)—may vary depending on sensorOperating Humidity ........................................................ 0% to 99% RH—may vary depending on sensorHazardous Area Rating ................................................... Intrinsically safe—Class 1, Division 1, Groups A, B, C, and D; CSA ApprovedDimensions ..................................................................... 5.94" x 5.2" x 2.8"Weight ............................................................................ 550g (21 oz.) without pump; 650g (22.9 oz.) with pumpRadio Frequency Protection ............................................ Shielded against radio frequency and electromagnetic interferencesWarranty ......................................................................... Standard 2-year or optional lifetime on electronics; 2-year on battery cartridges, NiMHbattery, sensors (CO, H2S, LEL, OX) and pump; 1-year on toxic sensors - Switch and go in seconds with the world's first Instant-Ready, Pre-Calibrated Smart Sensors. A power plant for the long-haul. With a stingy power conservation system and a deep energy reservoir Commander's powerful desktop PC software keeps you in control of virtually every stage in the multi-gas detection with the click of a mouse`4`,RcmdId ViewItemDescV4,RlogId p4%60bo7%60jtb9%3Feog4d71f%2B%3E%604%60-14a7cb95f2b-0x106-->