BLACK + DECKER CONNECTED CARBON MONOXIDE Alarm and Detecto - 10YEAR Sealed Battery, Wirelessly Interlink Alarms, 10 Year Sensor Life, CO Alarm for home, with Test Button, Portable, Link up to 20 Alarm

WIRELESSLY INTERLINKED FOR COMPLETE HOME SAFETY: Connect up to 20 BLACK+DECKER alarms using advanced RF10-PRO radio frequency technology. When one alarm triggers, all connected devices, including smoke, heat, and carbon monoxide alarms, will sound simultaneously for fast, whole-home alerts. 10 YEAR SEALED LITHIUM BATTERY: Tamper-proof, long-life lithium battery powers the alarm for its entire 10-year lifespan. The alarm will indicate when it reaches the end of life, no need to replace or maintain batteries. ACCURATE CARBON MONOXIDE DETECTION: Equipped with a high-quality electrochemical sensor that quickly identifies dangerous CO levels. Emits four loud 85dB alerts and a flashing red LED to warn you immediately of carbon monoxide presence. EASY INSTALLATION & MODERN DESIGN: No wiring required, can be wall-mounted or used free-standing anywhere in your home. Compact, sleek design blends seamlessly with modern interiors and is portable for travel use. TRUSTED QUALITY & CERTIFICATION: Includes alarm memory indicator flashing for 72 hours after CO detection. Fully compliant for residential and rental properties across England, Scotland, and Wales. Kitemark certified by the British Standards Institute (BSI) to BS EN 50291-1:2018 and BS EN 50291-2:2019., Weight: 0.1543235834 pounds, Manufacturer: BLACK + DECKER