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- Alarm Volume: 85 dB at 3 meter; Built-in siren for audio alert
- Alarm silence function: 10 minutes per activation
- Diagnostic function: a test button for self-test including optical sensor diagnosis
- Excellent stability with high sensitivity; Low battery detection
- Randomized supervision signals for trouble-free system integrity checking
- Digital signal processing; EN14604 certified
- Detection method: Reflective photoelectric sensor