The standalone smoke detector AW-D611 is a photodetector that uses the most advanced optical sensing chamber. It is designed to
provide open area protection without wiring, and it is easy to install and construct. The red LED indicator on the detector can provide a visibility alarm in all directions. It flashes once every minute, indicating that the detector is working. When a fire alarm occurs, the LED indicator will be always on until the smoke concentration is lower than the alarm threshold. When the battery is under low voltage, the LED indicator will flash and the buzzer will beep. The test button is used to test whether the detector works normally. Each time the button is pressed, the buzzer emits a beep, and the red indicator flashes. The button can be used for local mute during a fire.