Ecoey Smoke Detector, 10 Year Fire Alarms Smoke Detectors，Smoke Detector Battery Operated with Photoelectric Sensor, Fire Alarm with Low Battery Indicator, Smoke Detectors Used in Home, FJ138, 6 Packs

ADVANCED PHOTOELECTRIC SENSORS: Smoke detector equipped with photoelectric sensors have an average response time of 15-50 minutes faster than ionisation sensors. An audible alarm of ＞85 dB at 3 metres lets you prevent fires in their early stages
MINI BUT MIGHTY: Mini smoke detector that may be held with just one hand, is easier to install and disassemble. Equipped with a 10-year long-lasting chip, smoke alarm FJ138 provides long-lasting protection for you and your circle of relatives
BATTERY EQUIPPED AND REPLACEABLE: There is not any want to purchase additional batteries, the battery operated smoke detector FJ138 has already equipped for you! When the battery runs out, simply replace it with a new one to bring your smoke alarm back to life
LOW BATTERY WARNING: When the battery is depleted, the red LED light and chirp will alert you each and every 32 seconds to replace the battery with a brand spanking new one in time. Please refer to the instruction manual for to be had battery models and installation instructions
CHOOSE YOUR PREFERRED INSTALLATION METHOD: Fire alarms smoke detectors FJ138 come with screw packs and magnet sheets, which eliminates the need for hard wiring, and you’ll be able to install it with whichever accessories you wish to have according to the location of the installation
TEST/SILENCE FUNCTION: After confirming that There is not any fire hazard, press the silence button for 5 seconds to stop annoying false alarms. Test smoke alarms weekly for normal use