Function Introduction of Door Magnet Alarm:

● Can prevent thieves from pushing open the door or window and triggering an alarm

● Can be used to prevent children from going out, or to open the dangerous cabinet doors

● Installation Method: Magnetic Control

● Alarm sound: 90 dB

● Use 2 1.5V AA batteries

Usage Range:
1. Doors, windows, homes, shops, businesses, etc.
2. Computer case anti-theft device for internet cafes

This product is easy to install, simply paste the main and auxiliary parts onto the lid and frame of the machine case, or both sides of the window, and align them (leaving about 5mm gap). When someone illegally opens the machine case or window (separation of the main and auxiliary parts), the alarm will immediately emit a loud alarm sound to warn the intruder to leave. To open the machine case, door, or window, it can be controlled by a switch. It is suitable for anti-theft in internet cafes, residential buildings, offices, shop counters, etc. It is equipped with a 90db alarm output.
The product is compact and easy to install, with the provided double-sided tape making it easy to attach to doors or windows. It is a cost-effective and practical technical preventive measure. In our area, it has received positive recognition from residents and the police. Simply attach the main and secondary parts to the door and door frame, or to both sides of the window, aligning them (leaving about 5mm gap). Once the thief tries to pry open the door or window to commit a theft (separation of the main and secondary parts), the alarm will sound a strong alarm, scaring off the thief and reminding the owner and others to catch the thief. When opening the door or window, it can be controlled by the switch. It is suitable for anti-theft in residential homes, offices, and shop counters.

Installation Method:

1. Use double-sided tape to fix the main unit to the edge of the door/window.
2. Use a straight line to adhere the other magnetic strip door sensor along the host's indicated line to the door frame.
3. Check the settings, and turn the main switch to the 'ON' position.
4. Open the door and check if the alarm sounds the siren. This will confirm if the installation was successful.

Our company has been one of the largest manufacturers of door and window alarm systems in China for over 20 years, with a number of patented products.

YL-323 door and window alarm is a product with over 20 years of history in our company.

For many years, our company's products have maintained a significant sales volume worldwide.

The product is exported to all parts of the world. And it is also gradually paying attention to the domestic market.

Using high-quality three-cell LR44 or AG13 batteries.

Rarely leaks.

Sound intensity: 95 dB (measured at 30 cm)

Our company has different styles such as YL-323A.

YL-323B can be made into a dual tone version.

There are also YL-333 models that use AA batteries.