X-Sense Interconnected Smoke Detector, 10-Year Battery, SD20-W, 3-Pack | Up to 18 Link+ Alarms, All Alarms Sound Together, UL 217 Certified, Self-Check and One-Button Hush for Bedrooms

Highlights

• LINKED PROTECTION IN EVERY ROOM: Wirelessly connects ETL-listed alarms across your home; when one detects smoke, all connected alarms sound; helps alert your family faster, especially overnight or in large, multi-level homes
• EXPANDABLE WHOLE-HOME PROTECTION: Pairs with up to 18 compatible X-SENSE Link+ alarms, including SC07-W, SC01-W, and SC06-W; build your home safety system over time; use the optional X-SENSE remote to test or hush alarms without reaching up
• SEALED 10-YEAR BATTERY: Built-in lithium battery delivers up to 10 years of power, reducing the need for battery replacements, ladder trips, and late-night low-battery chirps
• PHOTOELECTRIC SENSOR, EASY INSTALLATION: Photoelectric sensing helps reduce nuisance alarms from steam and cooking fumes; mounts easily in minutes with the included hardware; ideal for bedrooms, living rooms, hallways, and every level of your home
• SELF-CHECK, ONE-BUTTON HUSH & FLAME-RETARDANT HOUSING: Automatic self-check monitors the sensor and battery to help ensure reliable operation; one button lets you test the alarm or silence false alarms; flame-retardant housing adds extra peace of mind