$80.50

Product Description： The portable carbon monoxide gas concentration alarm independently developed by Jingxun Changtong has the function of sound and light alarm, which can double prompt. It adopts USB charging mode, supports mobile power supply, and no longer has to worry about charging. Small and easy to carry. Waterproof, fireproof and explosion-proof, ultra-long standby, to … Continue reading Portable CO gas sensor- carbon monoxide gas sensor handheld

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