Water-proof handheld 4 in 1 gas alarm with LCD display
In the daily production of petrochemical engineering, steel, and chemical engineering industries, workers often encounter with flammable and toxic gases of various sorts, and accidents are easy to take place without proper safety protection. As a kind of personal safety protection instrument, Portable multi-gas detector with rechargeable lithium battery 3.7V 2200 mAh plays an important role in industrial production safety.
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