Ultrasonic Pest Repeller For Mouse, Cockroach, Spiders, Mosquito • Ultrasound Technology :The ultrasound technology used in this device emits high-frequency sound waves that are inaudible to humans but repel pests effectively.• Multi-Pest Control :This device can repel a variety of pests, including mice, cockroaches, rats, spiders, mosquitoes, and more, making it a versatile solution for pest control.• Easy to Use :The Pest Reject Ultrasound Mouse Cockroach Repeller Device is easy to use and doesn't require any chemicals or traps, making it a safe and convenient solution for pest control.• Household Friendly :This device is suitable for use in households and other environments where pests are a problem, making it a safe and effective solution for pest control.