Product Description The two smoke detectors with built-in battery from Brennenstuhl in white impress with their quality and safety in......

Product Description The four smoke detectors with built-in battery from Brennenstuhl in white impress with their quality and safety in......

The 6 smoke detectors are equipped with a replaceable 9V block battery with a lifespan of at least one year......

The nine smoke detectors with replaceable 9V battery from Brennenstuhl in white are equipped with practical features that ensure reliable......