The alarm is working when it's on. The led twinkles once every minute. The alarm makes clear and pulse signal with sound and light while there is smoke. And output several point signal or wireless signal for gathering till the smoke is gone.
While press the test button and hold on for over 3 seconds, the alarm will make a clear and loud pulse signal. And the led twinkles frequently, the alarm give off sound like "Di...Di..."
You May Like
- Depends on the order quantity.