SITERWELL Smoke Detector, Photoelectric Fire Alarm with 9V Backup Battery, Hardwired Smoke Alarm Interconnected, Fire Detectors with Test/Silence Button for Home Safety, 10 Packs

SITERWELL Smoke Detector, Photoelectric Fire Alarm with 9V Backup Battery, Hardwired Smoke Alarm Interconnected, Fire Detectors with Test/Silence Button for Home Safety, 10 Packs

• 【Advanced Photoelectric,Reduce False】Alarms Equipped with high-sensitivity photoelectric smoke sensor, this electric smoke alarm responds in 1 second and delivers 5x higher accuracy than traditional detectors. It effectively identifies slow smoldering fires and combustion particles, greatly minimizing false alarms from cooking and daily interference. Real-time monitoring provides reliable home fire safety protection for kitchen, living room and whole-house use.
• 【Hardwired and Battery】This hardwired smoke detector works with 120V AC hardwired power and comes with a replaceable 9V backup battery. The backup battery ensures continuous operation during power outages, blackouts or circuit failures. Stable dual-power design keeps your fire alarm running all year round without missing any potential fire hazards.
• 【Interconnectable Function】Hardwired interconnection and connects up to 12 smoke detectors. Once one fire alarm triggers, all interconnected units sound the alarm simultaneously for full-range home protection.Built-in 85dB loud alarm and flashing red LED warning light deliver clear audio and visual alerts to remind your family of emergency fire risks in time.
• 【Practical Test】Features multifunctional Test/Silence button for daily self-check and easy noise suppression. When low battery chirp warning activates, simply press the button to enjoy 10-hour non-disturb mute mode. It also sends obvious fault reminders via LED flashes and subtle chirps if the smoke detector malfunctions, helping you maintain normal device operation.
• 【UL217 10th Listed】 This hardwired smoke alarm complies with UL 217 10th Edition safety standards and is lab-tested for household smoldering fire detection. Made of flame-retardant ABS+PC composite material, it owns outstanding high temperature resistance and fireproof performance. Strictly quality inspected to meet US home safety standards, ideal for residential, household and indoor fire prevention.