BLACK+DECKER - Connected Kitchen Heat Alarm and Detector for Home Wireless Interlinked with 10-Year Battery included. Easy Install Home. Test Button. Link up to 20 Alarms

COMPLETE HOME COVERAGE WIRELESSLY INTERLINKED : Connect up to 20 BLACK+DECKER alarms with RF10-PRO technology. When one alarm activates, all linked smoke, heat & CO alarms sound simultaneously, provides faster alerts & enhanced whole-home protection 10 YEAR SEALED LITHIUM BATTERY: Features a long-lasting, tamper-proof 10-year lithium battery that powers the alarm for its full lifespan. The alarm provides an end-of-life warning when replacement is required, no battery changes needed ADVANCED HEAT DETECTION: Designed for areas unsuitable for smoke alarms, such as kitchens & garages. The precision thermistor sensor detects dangerous heat build-up from fires while helping prevent false alarms from cooking fumes or steam EASY SETUP GUIDE: Activate by attaching the alarm to the base plate and twisting clockwise until it clicks. Press and hold the test button for 3 seconds until the alarm sounds. If no sound is heard, twist firmly clockwise and test again QUICK INSTALLATION & TRUSTED QUALITY: No wiring required—simply mount with the included screws and twist to secure. Features an alarm memory indicator that flashes for up to 72 hours after activation. Kitemark certified by BSI to BS 5446-2:2003