Compatible with Yale Smart Alarm 85dB Siren Developed with Fire Angel Real-Time Alerts Interconnected Add up to 100 alarm accessories Smoke SensorThe Yale Smoke Sensor features a loud 85-decibel siren, ensuring that you are always notified of any fire-related emergencies within your home. Developed in collaboration with FireAngel, this smart smoke sensor brings the best smoke detection capabilities to the new Yale alarm system.Powerful adjustable sirenEquipped with a volume of 85dB, the Smoke Sensor will promptly sound its powerful siren when triggered, leaving no room for overlooking a fire-related emergency.-A customisable security system to suit your lifestyleOur Smoke Sensor can work on its own, but when interconnected with other smoke sensors around your home, it creates a network that simultaneously raises the fire alarm. So, whether a fire starts in your garage or kitchen, every corner of your house will be alerted.Easy monitoringStay instantly informed with real-time alerts the