Protect your home with the Smart+ Smoke Detector featuring a reliable photoelectric sensor and triple alarm system with a loud audible alarm (>85dB), flashing red warning lights, and push notifications via the Smart+ App. Contamination compensators reduce false alarms caused by dust and dirt. Designed for seamless integration with other Smart+ devices, it performs regular self-tests, monitors battery status and Wi-Fi connection, and keeps you informed even when away. With over 5years of battery life (CR123) and compact wireless design, installation is simple and stress-free. | Osram Smart+ WiFi Smoke Detector Triple Alarm Feature Google Home Compatible in White