As you can see, many people die sleeping in the car because of this reason, especially some drivers who drive long-distance buses. On hot days, everyone likes to sleep with air conditioning.
How many times, especially when driving for a long time to close the window. Also stop, close the windows, turn on the air conditioner, and this is about inner circulation and outer circulation, which is a bit complicated.
Great, although I don't understand, it looks good.
It looks better than the carbon monoxide alarms sold on the market.
The last picture shows some black products that can't be seen clearly.
The overall design can be used as a reference ~
For the first time, I knew that CO would enter the car....
Is there any CO entering the car when the car starts?
The gradient effect of silver feels great!