No more pest nightmares: repel rodents like rats and mice, insects, cockroaches, insects and spiders. This mosquito repellent is suitable in the home, offices, garages, warehouses, attics, hotels, basements, supermarkets, etc. Just plug it in and you will see the result in 1-4 weeks. The electronic pest repeller is safe for pregnant women, the elderly, pets and babies. Non-toxic, chemical-free, poison-free, radiation-free, and no need to clean up dead pests, no battery required and low electricity cost. Provides you with a safe and environmentally friendly home. The ultrasonic repeller emitted 22-65kHz ultrasonic wave disturbs pests unlike traps. The ultrasonic repeller is portable and easy to install, saving energy. Wide Application and Easy Installation - It is widely used in homes, warehouses, offices, garages, gardens, hotels, etc. GENERAL NOTEPlease avoid using the device in the same room with rodent animals (hamsters, guinea pigs), birds and others A key switch Eliminates cumbersome plugging and unplugging, and the compact appearance won't block other plugs Breathing electromagnetic waves The training effect is better, the electromagnetic wave breathes every 40 seconds, and each cycle increases and decreases Voltage overload protection Frequency and resonant ultrasound Distributed SPL cavity acoustic waves, continuously changing the frequency of acoustic waves, so that pests have no way to adapt