Pack of 4 ultrasonic mosquito repellents, electric insect repellents for reptiles and other insects, effective against indoor insects, mosquitoes, cockroaches, and fleas.

General description This ultrasonic insect repellent set includes 4 devices designed to effectively deter mosquitoes, rodents, and various insects using advanced ultrasonic technology. Operating within a frequency range of 20 kHz to 55 kHz, these devices stimulate the auditory nerves of pests, disrupting their central olfactory and nervous systems, making them uncomfortable and driving them away from your living spaces. Technical specifications Frequency range: 20 kHz to 55 kHz Coverage area: 80 to 120 square meters Power source: Electric (plug-in) Placement: At least 12 inches above the ground Usage Ideal for homes, offices, garages, attics, basements, warehouses, and greenhouses. Simply plug the device into an electrical outlet to activate. It is recommended to use at least one device per room for optimal effectiveness. Other information Environmentally friendly and safe for humans and pets. Non-toxic ultrasonic waves with no radiation. Low power consumption.