Smoke alarm Basic Q pure white glossy Increased quality criteria and technical developments in smoke alarms are represented on the market by the new Q test mark. The new Q label is an independent and manufacturer-neutral quality mark for high-quality smoke alarms that have been specially tested for long-term use. The latest generation of Gira smoke alarms meet the criteria of the new Q label quality mark. The smoke alarms work according to the photoelectric scattered light principle without radioactive preparations. The smoke alarms detect smoke development in good time and warn before the smoke concentration can become dangerous for people. The alarm is triggered by a loud pulsating alarm tone and a flashing LED. Features: Only for use in private residential units or residential-like areas in accordance with DIN 14676. Q label: Tested longevity and reduction of false alarms. Increased stability, e.g. B. against external influences. Built-in battery with a service life of up to 10 years. KRIWAN approval. Integrated function key for the function test. Fault indicator. Indicator for low battery.