About this item

• The ground-breaking thermoptek technology in the ST-622Q provides responsiveness to all fire types in one alarm
• Thermoptek sensing technology – detects slow smouldering fires and rapid rise in temperature, a fast response to all fire types
• Battery powered smoke alarm – 10 years Panasonic battery lifespan (battery Included, never needs replacing)
• Toast proof – reduces nuisance alarms and smart silence button
• Test and smart silence button – allows the alarm to be silenced for up to 10 minutes in the event of a known false alarm
• Sleep easy function – low battery end of life chirp can be silenced for eight hours so you sleep easy at night
• Positioning – bedroom, living room, landing, hallways, dining room