Smoke alarm Specifications

Power source:9V/DC
Working consumption:<10mA
Low voltage alarm:6.2-6.8V
Low battery alert 7-15days

Photoelectric Smoke Alarm ES-P01

They are photoelectric smoke alarms, they are generally more effective at detecting smoldering fires which smolder for hours before bursting into flame. Sources of these fires may include cigarettes burning in couches or bedding. They accords with the ISO/DIS 12239 Standard.  

IMPORTANT! PLEASE READ CAREFULLY AND KEEP IT. This user’s manual contains important information about your smoke alarm’s operation. To insure your safety, you need install one alarm at least in your every single room. Please don’t open the smoke alarm for that may cause improper effect. If you are installing this smoke alarm for use by others, you must leave this manual –or a copy of it—with the end user.