SD110 - Stand-alone smoke detector - 1 year battery - White, 3 pieces The Alecto SD110 combines simple installation with proven safety. In the event of smoke, an 85 dB alarm sounds and thanks to the photoelectric sensor, the detector reacts quickly and accurately. The detector has a lifespan of 10 years and uses a replaceable 9V battery. https://elecena.pl/product/29885765/sd110-3x-smoke-detector-3-pack 2026-02-27 https://elecena.pl/product/29885765/sd110-3x-smoke-detector-3-pack 2026-06-29