XINDUM Wireless Interlinked Smoke Alarm with 10-Year Sealed Battery, 6 Pack

Scotland Interlinked Smoke Alarms for home: No matter which interlinked smoke alarm detects smoke and triggers an alarm, all other smoke detectors in the network also sound. You and your families can immediately hear the alarm and take effective measures to extinguish the fire or escape from danger.
10 Year Battery: The smoke detector is equipped with a sensitive and reliable photoelectric sensor which can be used for 10 years. The Interlinked fire alarm is equipped with 2 × CR14505 lithium batteries, Total capacity 3200 mAh. can support the device to work over 10 years in standby status.
Silent mode: Once the smoke alarm detect smoke and goes off, you can silence the alarm for 10 minutes by pressing the power button (in the middle of the cover) once. The detector will return to normal mode after 10 minutes. Maximum number of links: 30 pieces per group. Linkable distance: within 100m outdoors.
Indoor Smoke Alarm: The green LED flashes once every minute to let you know the a