SITERWELL Smoke Detector, 10-Year Smoke Alarm with Photoelectric Sensor and Low Battery Warning, Fire Alarm with Built-in Battery and Fault Warning for Bedroom and House, UL Listed, GS526A, 6 Packs
- 【Activation Before Installation】 Press test button and hold it for more than 3 seconds until LED lights, and release it within 2 seconds, smoke detector will generate a “beep” indicating that it is successfully activated. Smoke alarm won't work if activation fails.
- 【10 Years Life Time】The smoke alarm can be 10 years life time and has 10 years life time non-repalced battery. You won't worry about replacing the battery any more. And it can save energy and protect environment.
- 【Fault Signal Alarm】The photoelectric smoke alarm is very easily tested only by pressed the button more than 5 seconds, the low battery will have a signal alarm which will recall you to change a new battery.
- 【Certified Safe and Reliable】The smoke detector has passed UL certification, its quality is guaranteed. The smoke alarm don't contain any radioactive material and won't cause harm to human's body.
- 【24 Hours Home Protection】When the smoke detector is working, it will cut the risk of dying in a home fire by 50% while home fire starts every 83 seconds! The faster you know about a fire, the faster you can escape from the fire..