Wireless Interlinked Smoke Alarm 3 Pack, Wireless 10 Year Battery Powered Smoke Detector with Mute Function, 85dB Loud Alarm, Thin Fire Alarm for Fire Warning

Scotland Interlinked Smoke Alarms for Home: All the linked smoke alarms will go off No matter which smoke alarm detects smoke and triggers an alarm. You and your families can immediately hear the alarm warning and take effective measures to extinguish the fire or escape from danger.
10 Years 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 alarm is working well. Ideal for bedrooms, living rooms, hallways, basements, etc. Dim green light won't disturb you sleeping at night. Attractive appearance and ultra-thin design. Diameter: 120mm Height: 31mm.
Easy Installation: There are screw kits and adhesive pad in the package. Drill or not drill as you wish. Choose the better method of installation based on the mounted locations. We recommend installing with screw kits. Solid once and for all.