Sound and Light Information 

Red light flashes: the buzzer makes a "beep---" sound to indicate that the alarm is triggered; 
Red light flashes once every 50 seconds: the buzzer does not sound, indicating normal working status; 
Yellow light flashes once every 40 seconds: the buzzer makes a short "beep" sound, indicating that the sensor is low in power; 
Red light flashes 4 times accompanied by four short "beep-beep-beep" prompt sounds from the buzzer, indicating self-test; 
Green light flashes quickly: the buzzer does not sound, indicating access to the network.

Fire Alarm Function

1. Smoke detection
The alarm will immediately send out an audible and visual alarm signal after detecting smoke.
2. If a fire occurs
Take appropriate measures in time, such as calling 119, using fire extinguishing equipment, etc.
3. If the fire is eliminated, you can press the mute/self-test button to silence the alarm.
*The fire alarm is silenced for about 90 seconds, during which there is no audible or visual indication. After about 90 seconds, the alarm returns to normal monitoring status.

4. Note: The following situations may also trigger a fire alarm

a. The mist sprayed by spray insecticides, cosmetics, etc. directly contacts the alarm;
b. The smoke produced by burning objects such as cigarettes and incense sticks contacts the alarm;
c. The use of smoke-type and gradually evaporating insecticides contacts the alarm:
d. Cooking smoke or steam contacts the alarm;
e. Condensation on the alarm.

Alarm and Test

1. Normal monitoring status: The red LED flashes approximately once every 50 seconds to indicate normal operation. 
2. Self-test status: When the button is pressed for less than 5 seconds, regardless of the current status of the LED, the red LED flashes 4 times and the buzzer beeps 4 times, indicating self-test. 
3. Heartbeat once every 4 hours, report status once. At the same time, during the button self-test process, the alarm will send a wireless alarm signal for the alarm controller to receive and process. 
a. When the smoke concentration reaches the preset alarm concentration, the alarm is triggered. 
b. The smoke alarm is tested at least once a week. 
c. Please do not get close to the speaker during the test, the loud alarm may cause damage to your hearing. 
d. If it is not an alarm during the test, it warns you that there is a potential danger and needs immediate attention. Never ignore any alarm. Ignoring the alarm may cause property loss, personal injury or death.