Good Knight has always been a trusted brand for getting rid of mosquitoes and other insects. Good Knight silver power mat is an extra powerful mosquito repellent that protects you against mosquito bites all night and allows you to enjoy a cozy and comfortable sleep.BenefitsGood knight silver power does not contain any harmful chemicals that might cause difficulty in breathing. It gives complete protection against harmful insects that spread dengue, malaria. The little amount of smoke that comes out from the silver mat is completely safe for children.How to UseGood Knight silver power is easy to use and you just need to burn the mat from one of its edge to get 12 hours protection from mosquitoes and insects at a stretch.