Knock Off ultrasonic mosquito repellent

Knock Pest mosquito repeller this unique device drives away mosquitoes by providing three different sound signals against all mosquitoes, including the female ones. the Knock Pest mosquito repeller is electricity driven and contains no chemicals. suited for home use, apartments, bedrooms, catering services, farms, businesses etc. coverage area 30 m2. features • drives away mosquitoes. • ultrasonic technology. • coverage area 30 m2. three signal modes - dragonfly: emits a dragonfly sound (natural enemy of mosquitoes) – 5 - 35 khz - mosquito1: emits male mosquito sound to repel female mosquitoes – 25 khz - mosquito2: emits male mosquito sound to repel female mosquitoes – 17.5 - 21.5 khz size: ø 10 cm