Reviews | Anti-Mosquito Device Chicco® Ultrasonic | Silent and Eco-Friendly The Chicco anti-mosquito device works through ultrasonic waves that annoy mosquitoes but do not cause any unwanted effects on people. With its anti-dusk light signal, it is ideal for children's rooms. Since it is completely eco-friendly and does not emit chemicals, there is no need to ventilate the premises after use. Low energy consumption. Due to its technical-functional characteristics, the product's performance may be reduced or ineffective with certain types of mosquitoes or at diverse latitudes.| | Warnings and Instructions Before use, we invite you to read carefully the labels and warnings indicated on the product packaging| | Format Package with 1 piece.