Kit of 10 pieces of X-Sense XS01 standalone mini smoke detectors. EN14604 with 10 year battery. Only 78mm in diameter

The XS01 is an optical smoke detector for standalone use. Equipped with 2 non-replaceable lithium batteries that have a lifespan of about 10 years. Push button for mute function (9 minutes). Dimensions 120mm in diameter, 48mm high. Noise level 85dB at 3 meters.