2022 ULTRASONIC PEST REPELLERS, DRIVE THE PEST AWAY QUIET AND EFFECTIVE - If you’re considering a non-chemical approach to pest reject, we recommend the Ultrasonic Pest Repellers are devices that emit a consistent noise at a frequency that is too high for humans to hear. These sound waves are designed to distract, annoy, and deter common household pests such as roach, spiders, mosquitoes, ants and rodents. Intelligent multi-frequency ultrasonic conversion systems make pests nowhere to hide. EPA APPROVED SAFE FOR KIDS AND PETS, PROTECT YOUR FAMILY IN A HEALTHY AND PEACEFUL WAY -pest repellents are 100% safer than traditional mosquito repellents. Many people are naturally worried about the safety of their pets when using an insect repellents device. Studies found that cats and dogs, although can hear the waves, ultrasonic sound is inaudible to humans and household pets. No poison, smell, and chemicals, significantly safe and harmless for kids, pregnant women, and pets. HOW TO USE AN