【Unique Technology】Our Ultrasonic Pest Repeller has 4 unique smart working modes to ensure a wide and stable frequency range, improving the safety and effectiveness of the product. Stimulates the sensory and nervous systems of mosquitoes. The pests can then be effectively controlled and kept away from you. This will drive them out of your home, make them afraid to come near your home, and say goodbye to the traditional way of repelling rodents and insects. 【Easy to use】Ultrasonic mosquito repellent just plug it into the power socket, press the switch, the automatic intelligent ultrasonic frequency conversion destroys the living space of pests, there are 4 modes to adjust. The higher the gear, the stronger the frequency. Repeated cycles disrupt the auditory nerves of pests, effectively destroying those rodents 【More Safe for Child & Pets】Ultrasonic Pest Repeller is inaudible to humans and household pets, has no unpleasant smell, is safe for pregnant women and babies, and provides a