Complementary system for fire alarm
(EVTX)
This alarm can monitor the alarm sounds issued by the alarm bell, etc., and emit a strong light
auxiliary alarm prompt, which can emit a sound greater than 85dB; it has a highly stable
wireless interconnection function, which can trigger the detectors in other rooms and emit a
wide range of sounds The light alarm can warn you more comprehensively that there is danger.
The product has a highly stable chip and algorithm, which can reduce false positives and false
negatives, and protect your life and property at any time.
Feature description:
Working voltage: DC6V (lithium battery DC3V*2pcs)
Applicable temperature: 0
℃
to 40
℃
Applicable humidity: 10%RH to 95%RH
Sensor type: electret microphone
Wireless frequency: 433.92MHz
Alarm form: LED & buzzer & strong light
Alarm sound: more than 85dB @3.2KHz at 3 meters
Installation Environment:
1. This detector is not suitable for installation in places where the environmental noise is greater
than 70dB.
2. The communication distance is about 20 meters indoors. In the complex structure of the
house, the two points are separated by walls, and the distance is relatively far apart, try to set
up a network group independently to avoid long-distance interconnection, which may cause
normal communication.
3. Try to install the microphone close to the alarm device. To ensure normal operation, the
distance is required to be less than 20cm.
