-
Anonymous users2024-01-24You can go to the store where you buy security products.
Someone approaching will automatically call the police and dial the phone you set.
-
Anonymous users2024-01-23Do you know how to program a microcontroller? If not. Then nothing can be done. The most pair is equipped with an infrared, camera or something.
You pull it out to see if you can unplug it, if you can pull it out, you can directly take the plug, and then buy a new one and put it on. If you can't unplug it, it is built-in to connect the 220V power cord and signal line, if you can wire yourself, turn off the main switch to ensure that there is no power in the case of cutting the power cord and signal line, find the manufacturer to buy a signal line back and connect it yourself, if you don't know how to connect, you can ask the manufacturer's technicians, they understand.
Home alarms are boring, who to report to? Tell your family, wouldn't it be nice to pay attention? Enterprises, hotels, and units must be equipped with alarm systems, because with the alarm system, even if there is no one in the enterprise, the fire department can take action due to the alarm network.
The intelligent door magnetic connection to the alarm host is very good.
The alarm of the household gas alarm is triggered only after the gas leakage is detected and the concentration reaches the alarm value.
There are two types of gas alarms: one is the QT-300 gas alarm, which is suitable for hotel kitchens, unit canteens, boiler rooms and other places, and the other is the QT-100 household gas alarm, which is installed in residents' homes. >>>More