Smartwares Smoke Detector Q Label 10 year sealed battery Optical sensor Illuminated indicators Test button Silent function FSM 12001

Sealed power supply: The built-in CR123A lithium cell operates for 10 years, matching the sensor lifetime so no replacements are required before unit expiration Fire detection: A photoelectric sensor responds rapidly to smouldering combustion while preventing nuisance alerts in domestic living areas Certified standard: Awarded the Q-mark quality seal to verify enhanced stability, operational reliability, and minimised false triggering over its service life Controls and monitoring: A large front button allows manual function checks or silencing, complemented by an LED indicator light for faults and battery status Mounting equipment: Supplied screws and dowels secure the 10.5 x 10.5 x 3.6 cm ABS housing onto hallway or bedroom ceilings without requiring mains wiring