Includes: Honeywell BW™ Max XT ll detector (O2, %LEL, H2S, CO) and standard package contents, plus wall chargining adaptor, IR Connectivity Kit with Fleet Manager ll software, sampling probe, hydrophobic (5) and particulate (5) pump filters, 10 ft sampling hose, 34 L calibration gas cylinder (2.5% CH4, 18% O2, 25 ppm H2S, 100 ppm CO), 0.5 LPM regulator and carrying case with foam insert.