Breathe Easy, Live Smart! 🌬️ Compatible with HomeKit for seamless integration. 10-year battery ensures long-lasting protection. Real-time monitoring of CO levels from your appliances. Automatic checks to guarantee functionality. Screw it to the wall and you're set. Smart Notifications 85dB Alarm 10-Year Battery The Netatmo UK NCO-FR Smart Carbon Monoxide Alarm is a cutting-edge safety device that continuously monitors carbon monoxide levels from fuel-burning appliances. With an 85-decibel alarm and smartphone notifications, it ensures you're always informed. The alarm features a 10-year battery life, self-testing capabilities, and easy installation, making it a must-have for any modern home. Plus, it's compatible with HomeKit, allowing for integration with your smart home ecosystem.