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Product parameter
| ⊙ Power supply: AC 220V-240V 50Hz, with DC 9V alkaline battery backup | ⊙ Conform to BS5446-2:2003 |
| ⊙ Alarm volume: ≥85dB at 3m | ⊙ Big test button for easily weekly testing |
| ⊙ Silence function: Approx.8 mins | ⊙ Low battery signal alarm |
| ⊙ Product life time > 10 years | ⊙ Push base for easy installation |
| ⊙ Size: Φ140mm * 58.8mm |
