2022 BEST ULTRASONIC REPELLERS, REPELL PESTS QUIET AND EFFECTIVE - If you are considering a non-chemical approach to pest repelling, we recommend that ultrasonic repellents be devices that emit constant noise at too high a frequency. raised for humans to hear. These sound waves are designed to distract, annoy and deter common household pests such as cockroaches, spiders, mosquitoes, ants and rodents. Intelligent multi-frequency ultrasonic conversion systems keep pests from hiding. EPA APPROVED 100% SAFE FOR CHILDREN AND PETS, PROTECT YOUR FAMILY IN A HEALTHY AND PEACEFUL WAY - pest repellents are 100% safer than traditional mosquito repellents . Many people understandably worry about the safety of their pets when using insect repellent. Studies have shown that cats and dogs, although they can hear the waves, the ultrasonic sound is inaudible to humans and pets. No poison, odor and chemicals, clearly safe and harmless to children, pregnant women and pets. HOW TO USE AN ULTRASONIC
