The YL-333 Magnetic Anti-Theft Alarm is designed to alert users when a door or window is opened unexpectedly. It works using a simple magnetic switch that triggers a loud alarm for instant warning. The YL-333 Magnetic Anti-Theft Alarm for Window/Door live on StemVolt is easy to install and suitable for basic security learning.
Related Products:
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Magnetic Reed Switch Module
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PIR Motion Sensor Alarm
Applications:
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Home door security systems
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Window intrusion alerts
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DIY security projects
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Educational electronics kits
Specifications:
| Parameter | Details |
|---|---|
| Operating Voltage | 3V Battery powered |
| Alarm Sound | 90–100dB |
| Sound Level | Loud buzzer output |
| Installation Method | Adhesive tape (included) |
| Power Supply | 2 × AAA batteries |
Package Includes:
1 × YL-333 Magnetic Anti-Theft Alarm for Window/Door


















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