​For fire prevention, more and more families choose to use home Smoke Alarms, which can effectively solve the problem that the fire situation cannot be known at the first time when there is no one in the home or at night. A Photoelectronic fire detector is easy to install and use, and easy to maintain. Household Smoke Alarms can be attributed to electronic products. Doing a good job in daily maintenance can effectively extend the service life and reduce the false alarm rate. Therefore, the daily maintenance of the Smoke Alarm cannot be ignored, but what should be paid attention to in the daily maintenance? Here are some answers.