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We normally will forget to close door after we used some device ,such as windows, doors, refrigerators, etc.,that is really bad hobbit ,but many people did , even if we write 'please close the door' warm Small stickers to remind us , we will not notice as well. But what if  we  install a sound player, and when you push the door open, it starts to remind you until you close the door ,then  stop  playing. Will you still forget close door ?    The door magnetic sensor sound player  is capable of play sound  when the host is separated from the magnetic sensor ...
Time: 2020 - 09 - 25
Views:397
Voice prompter is a player composed of voice module, control circuit, loudspeaker, power supply and shell. It can be used to broadcast product information, safety reminder statements, doorbell music or alarm sound. It is widely used in information dissemination. For example:    Store infrared human body induction doorbell voice reminder Microsound V22    Built-in human voice and music functions, It can be installed at the entrance of the door,When someone enters into the door and passes through infrared detection, it will automatically prompt. You can know someone is coming in by prompt and be...
Time: 2020 - 09 - 25
Views:399
So far, 18.2 million people have been infected with COVID-2019 in the world. The United States, Brazil, and India are the most serious countries. From this trend, it will take a long time to eliminate the COVID.    In our daily life, how should we protect ourselves, here are some tips that can help us reduce the risk of COVID-19?    1.Wash your hands frequently;    2. Avoid touching your eyes, nose or mouth;    3. Avoid eating raw meat and unnecessary contact with wild animals;    4. Thoroughly cook meat and eggs;    5. Avoid close contact with anyone with flu-like symptoms;    6. If you devel...
Time: 2020 - 09 - 22
Views:288
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