Richard G Ballard

Please advise something against mosquitoes and insects, I came to my parents for a month to rest and they have an open terrace constantly mosquitoes and midges fly. Tip help some Ultrasonic Pest Repeller https://www.crioxen.com/products/indoor-ultrasonic-electromagnetic-pest-repeller-with-ion-generator like this or they no longer work and there is something new, I would be grateful for any...