SITERLINK Smoke Detector Hardwired, Smoke Alarm Interconnected with Battery Backup, Photoelectric Fire Alarms Smoke Detectors with LED Lights, UL217 Listed Fire Alarm for House, GS517, 4 Packs Toothpaste The interior lining is made

The interior lining is made of excellent upgrade material and easy to clean

10 working modes have different function

then simply shake to start and give it a toss

and durable vinyl tape with two side units

isomenthone

SITERLINK Smoke Detector Hardwired, Smoke Alarm Interconnected with Battery Backup, Photoelectric Fire Alarms Smoke Detectors with LED Lights, UL217 Listed Fire Alarm for House, GS517, 4 Packs Toothpaste The interior lining is madeBrand: siterlink Features: Operated by AC 120V with 9V Battery Backup: SITERLINK hardwired smoke detector will last 10 years; the device includes 9V lithium battery, can be used normally even if the power outages; detected and notified automatically if it is low battary or error occured Photoelectric Sensor for Accurately Detect: Photoelectric sensor smoke alarm helps to monitor smoke and fires quickly, provides the warning of fires as soon as