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How to set up and use the infrared alarm correctly
With the improvement of the standard of living of household users, more and more consumers have begun to pay attention to home security, and the use of infrared alarm equipm...- Release：2018-07-30
- View：2103
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Seven Questions on Flammable Gas Alarm
The combustible gas alarm reminds us of these seven common questions. These issues are worthy of attention so that we can pay better attention to these problems, so that we ...- Release：2018-07-30
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