Introducing our cutting-edge product - the {New Microcomputer Technology Ultrasonic Rat Repeller Mosquito Repeller}. As a factory specializing in pest control solutions, we have developed this innovative device to help eliminate rats and mosquitoes effectively. With advanced microcomputer technology, it emits ultrasonic waves that disturb and deter these pests without causing harm to humans or pets. Say goodbye to annoying rodents and pesky mosquitoes with our reliable, eco-friendly and highly efficient repellent.