Set of 4 electronic ultrasonic repellents against mosquitoes, insects, rat control, for indoors, anti, flies, mice, spiders 10x5.8x4.5cm

Next Generation Ultrasonic Technology: The ultrasonic insect repellent stimulates the auditory nerve with ultrasound in the frequency range of 20kHz to 65kHz and destroys the central olfactory system, it can completely get rid of mosquitoes, flies, mice, spiders, etc.【Safe for Children and Pets】Ultrasonic frequency is inaudible to humans and pets, neither chemical nor radiation, less power consumption, no noise safe for people and pets.4 Packs Easy to Use: Just plug the ultrasonic pest repellent into the regular outlet, the LED light will turn on and work automatically.It is ideal for bedrooms, garages, offices, businesses, restaurants, warehouses, etc. 【Wide Coverage Area】Three functions of bionic wave + electromagnetic wave + ultrasonic wave, for high-efficiency 360° pest control, with coverage up to 1,600 square feet. For best results, equip every room with an insect repellent.Quiet and effective: Ultrasonic repellents work with low frequency ultrasound. The ultrasonic waves emitted are designed only for pest rats and will not harm humans or animals. Typical results can take 3 to 4 weeks depending on the amount of infestation.