Good Knight Advanced Fast Cards are new mosquito controlling product. You can buy this on any Kirana and grocery shops in the market. It costs ten rupees only. It is useful to preventing and controlling mosquitoes at home and offices. It is Temporary Mosquito relief product. It is very useful to preventing diseases from mosquitoes. But, it had some side effects using this product. That is Breathing problems to children. Do not lit this card when children at home.