SITERWELL Smoke Alarm 9V Battery Replaceable, Photoelectric Sensor with Test Button, Low Battery /Fault Warning Bedroom/Living Room UL 217 GS528A 2 Packs
- 【Photoelectric Technology】Smoke alarms use photoelectric technology to provide faster response to all types of fires and reduce the incidence of false alarms..
- 【Battery powered】Replaceable disposable 9-volt carbon battery,replace the battery annually and install alarms in positions that will wake all occupants in the home and give them time to evacuate. Smoke detector in the battery power will be low when the "squeak" warning, accompanied by a red LED flashing..
- 【Quality services for your safe home】Our products are UL listed, so use them with confidence. With a loud alarm tone (about 85 decibels) and a visible LED flashing, the permanent alarm device can warn you of any fire hazards..
- 【Test Button】The smoke detector has a "test" function so you can test the alarm at any time to make sure it is in good working order..
- 【Note】Before using the smoke detector, please complete the activation operation. The unit will beep to indicate it is activated and ready for detection status..