タイトルまたは説明

This unit is smaller in diameter giving it a discreet design. This model is powered by a 9V battery, providing continuous protection, even during power outages. This easy-to-install unit includes a test to verify the detection electronics are working as intended. Please install the smoke alarms on every floor of your home, in hallways, inside bedrooms, and outside of sleeping areas and replace smoke alarms every *0 years.
Main Features:
* Photoelectric sensing technology 
* Easy installation and maintenance 
* Battery case at the back of a sensor for easy removal of a battery
* Low-battery warning
* Test verifies battery and alarm operation
* Sounding a loud alarm signal of exceeding *5 dB in alarm mode