Expiry 11/2035 Functioning as a standalone unit, the Ei650i Optical Alarm is best for detecting slow, smoldering fires commonly produced by electrical fires or flammable materials. This Optical Fire Alarm is best placed in the hallway, landing, living room, or dining room. Powered by a sealed 10-year lithium battery Built-in dust compensation technology Built-in AudioLINK+ technology Easy to fit with twist on base, multi-fixings and anti-tamper locking option Easy to use, large test button Grade F1 and Kitemarked to BS EN 14604:2005
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