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 | ⊙ Wired interconnection up to 40pcs |
⊙ Wireless RF module optional, wireless interconnection up to 40pcs | ⊙ Push base for easy installation |
⊙ Size: Φ140mm * 58.8mm |