At least in the EU most stores carry cheap electric mosquito repellents, things like this: https://www.fairprice.com.sg/product/baygon-liquid-electric-repeller-

At least in the EU most stores carry cheap electric mosquito repellents, things like this: https://www.fairprice.com.sg/product/baygon-liquid-electric-repeller-219ml-11665550 https://www.fairprice.com.sg/product/baygon-liquid-electric-... I have been using them for at least 3 decades, across multiple countries, and they seem to work well.