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..."
Note:
Please be cautious and check with your supplier if this product is for virus protection purposes and if the coronavirus (COVID-19) will affect your order.
- Subtotal
- Depends on the order quantity.