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1. It is equipped with 2 kinds of bell prompt tone, 1 kind of alarm tone and 1 kind of 20-second recording sound source, which can be freely broadcast

2. The chime prompt tone and recording sound source support automatic playback triggered by short circuit signal

3. Alarm sound supports short circuit and 12V-24V access mode to trigger automatic play

4. 1-channel microphone input, volume can be adjusted independently

5. 2-channel audio output, microphone has the highest priority

6. The panel is equipped with touch button operation, which can manually set any on-demand, recording settings, and recording deletion

7. Microphone recording method

8. Aluminum alloy panel, beautiful and practical

9. Box size 485 * 90 * 340mm

10. Power consumption is 10W