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Product parameter
| ⊙ Power supply: Non-replaceable 3V lithium battery | ⊙ Conform to BS5446-2:2003 |
| ⊙ Alarm volume: ≥85dB at 3m | ⊙ Big test button for easily weekly testing |
| ⊙ Product life time > 10 years | ⊙ Low battery signal alarm |
| ⊙ Silence function: Approx.8 mins | ⊙ Automaic compensation design with automatic calibration for accurate sensitivity, |
| ⊙ 14 hours non-disturb function under lower battery status | ⊙ Ceiling mounting, easy to install with mounting bracket |
| ⊙ Size: Φ120 * 38mm |
