⊙ Power supply:DC 9V replaceable battery — ⊙ Conform to EN14604:2005/AC:2008 ⊙ Alarm volume:≥85dB at 3m ⊙ Big test button for easiy weekly testing ⊙ Produce life time>10 years ⊙ Low battery signal alarm ⊙ Easy to install with mounting bracket ⊙ Safety clip feature,not allow mouting without battery installed ⊙ Size:Φ101mm *36mm
Технические характеристики
CharacteristicsTechnologyphotoelectricOther characteristicswith alarm, stand-alone, ceiling-mounted
