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| GAIN EXPRESS HOLDINGS LTD. |
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| Gain Express Holdings Ltd. Store |
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| HEART RATE MONITOR |
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| AUTOMOTIVE CABLE WIRE TRACKER |
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| FISH FINDERS |
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Formaldehyde (HCHO) Air Monitor
Temperature Humidity Meter |
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This portable gas detector is used to monitor Formaldehyde (HCHO) concentration and also measure the temperature and humidity of the environment. It also displays LCD icons indicating the surroundings is safe for human beings.
Formaldehyde (HCHO) is one of the most common poisonous substances found in daily life and industry. Thus having this instrument will help you achieve a safer place for you and your love ones.
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