OKEAH Smoke Detector Fire Alarm with Photoelectric Sensor and 9V Battery Operated, Test Button,LED Indicator,Smoke Detector Fire Safety for Kitchen,Home,Garages,Bedroom, YJ-108, 3 Packs
- Photoelectric sensor technology: using newer technology, the actual detection of smoke particles triggers an alarm. Effectively reduce false alarms, more reliable and no radiation..
- Easy to install: The included double-sided adhesive makes it easy to mount the alarm on a smooth flat surface. Non-hardwired can be installed anywhere you want. Not recommended to install in the kitchen, cooking smoke easily trigger the alarm alarm..
- Battery powered: 9V battery is included in the package. Depending on the quality of the battery, a single replacement battery can be used for 1-3 years. Will not affect product life due to battery failure..
- Test button: You can check whether the smoke alarm is working properly at any time. At the same time, it has a low voltage reminder. When the battery voltage is too low, the alarm will sound to remind you to replace the battery in time..
- After-sales support: We provide comprehensive after-sales service, any product technology, product use problems, etc. can contact us through the background. We will reply to you in the shortest possible time..