Smoke Detector Alarm

10 Years of Continuous Protection: Equipped with a built-in high-capacity lithium battery that lasts for 10 years; eliminates the need for costly battery replacements during the lifetime of the alarm, and ensures continuous monitoring of your home, giving you peace of mindRapid Smoke Detection: A high-performance photoelectric sensor accurately detects dangerous smoke levels from slow-burning fires and reduces cooking-related false alarms; ensures you have every possible second to evacuate and reduces your exposure to life-threatening smoke inhalationEasy & Secure Installation: No hardwiring required for the installation of this battery-operated smoke detector; simply mount the alarm with the provided screws; automatically activates when attached to the mounting bracketSelf-Check Function: Automatically checks the sensor and battery level every 60 seconds to ensure proper functioning; clearly lets you know whenever there is a fault or weak battery with an 85-dB alarm and a flashing LED indicator