⑤ In user testing, participants can smoke a cigarette and spray smoke into the product's air inlet, then place it
In a bit, the display will show the CO concentration value. If it exceeds the set value, an alert will be triggered.
Ding sound, with the red indicator light flashing simultaneously.
④ When the carbon monoxide concentration in the environment exceeds the set value (128 ppm), it turns red
The color indicator light flashes, accompanied by a beeping sound, until the display concentration value reaches 0 ppm.
Stop alarm (if the network configuration is successful, an alert will be sent via push notification to the APP once the threshold is exceeded)
③ When the device presses the test button, the green and yellow lights remain on, while the red light flashes, and at the same time the beep
The buzzer makes a sound when it beeps.
② When the internal CO sensor fails, the yellow indicator light flashes twice every 40 seconds
, two beeps from the buzzer, and at the same time the display shows “ERR”
① All power-on indicators light up briefly and then turn off; the green indicator flashes once every second.
The display shows a 120-second countdown, then stops flashing after 120 seconds, displaying 0.
ppm, the green indicator light flashes once every 40 seconds.
