... sell from manufacturer directly. PG610-O2 oxygen gas detector shell is nonskid, waterproof, dustproof and explosion-proof ... progress barData Storage5000 recordsUpload Dataconnected to computer via data line(optional)Alarm TypeLight: wide-angle light emitting diode ... × 60 mm × 24 mmStandard configuration: instrument box, gas detector, specifications, certificate of approval, warranty card, charger, gas ...