How does the liquidator mosquito repellent work as the refill bottle has a graphite rod at the center and the bottle is filled up with a liquid?

The Liquidator mosquito repellent has a graphite rod in the middle and the bottle is filled with the repellent. The repellent consist of the chemical which when come in the contact of the heated rod produce fumes which disable the sensors of the mosquitos. Actually Mosquito's has sensors which enables them to detect the humans or any other animal by the oudor,heat released by the body,movement of the animal and there is one more thing the carbon dioxide exhale by the humans and the other animals.The fumes produced by the lepellent block these sensors and that is why we can see the mosquitos flying in the room but they can't bite you.