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OT139 Alarme multifuncional de detecção de gás 8 em 1

● Color LCD display, automatic switching between Chinese and English ● Built-in pump 600mL/min, can sample more than 20 meters ● Fault alarm function, sensor and pump fault prompts respectively ● Fall alarm, call for help alarm, one-click call for help ● Support host computer communication software (optional) ● Support extended particulate matter module, unit: ug/m3 ● Charger with USB…

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OT139 Alarme multifuncional de detecção de gás 8 em 1

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