Description
| Model Number | Layer | Certificate | Color | |
|---|---|---|---|---|
| QT50ML-USB-BZ QT50ML-USB-WS QT50ML-USB-WM QT50ML-USB-WA |
5 Buzzer sounds 5 Warning sounds 5 Melodies 5 Alarms |
1layer 2layers 3layers 4layers 5layers |
– | 1layer : 2layers: 3layers: 4layers: 5layers: |
| ㆍModules: LED Module + USB Buzzer/Sound Module + Base Module(BS) | ||||






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