X-Sense Wireless Interlinked Smoke Alarm, Mini Smoke Alarm for Home, 820 ft Transmission Range, Replaceable Battery-Operated Interconnected Fire Alarm, EN 14604, XS01-WR (RF Interconnected), 3-Pack

• Know from Anywhere: When one wireless smoke alarms is triggered, all smoke alarms will sound, so you and your family can hear the alarm from anywhere in your home; an intelligent locating function allows you to quickly locate the source of the fire, giving you every extra life-saving second to control the fire or evacuate
• Wide Coverage for Full Home Protection: Featuring a relay function that extends transmission range, this smoke detector can be interconnected with up to 24 smoke alarms to create a smart home network with no blind spots, even on different floors or in the basement and garage
• Easy to Install, Interlink, and Operate: This mini smoke alarm can be quickly installed onto any wall or ceiling without hard-wiring; simply press the test/silence button to interconnect your wireless smoke detectors (the alarms in one multi-pack have already been interconnected); easy to test the alarm regularly or silence false alarms (e.g., cooking fumes) with a simple push
• 5-Year Replaceable Battery & Self-Check: The battery of this networked fire alarm supports 5-year continuous use and can be easily replaced by yourself; a low-battery warning to let you clearly know when it’s time to replace the battery for safety
• Safety Certification & Reliable After-Sales Services: This smoke alarm for home is approved by the TÜV and are rigorously tested to meet the EN 14604 standard; feel free to contact us if you have any questions