X-Sense Interconnected Smoke Detector, 10-Year Battery, SD20-W, 6-Pack

Price: $164.99 - $139.99
(as of Sep 26, 2026 11:23:59 UTC – Details)

From the brand

Standalone or Interconnected

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
Customers find the smoke detectors easy to install and setup, with good connectivity and appearance. The functionality and reliability receive mixed reviews – while some find them perfect and working as advertised, others report they go off for no reason. The battery life and value for money also get mixed feedback, with some praising the 10-year battery life while others say the batteries die in about 7 months and aren’t worth the cost savings. Durability is a concern, with multiple customers reporting units failing within a year.