Feature: 1. 【Effective Mouse Repellent】- Say goodbye to pesky rodents with this 90-250V four-in-one ultrasonic pest repeller. Designed to drive away mice, rats, and other pests, it emits alternating ultrasonic frequencies of 25KHz-65KHz, effectively deterring them from your home or office. 2. 【Quiet Operation \u0026 High Power】- With a noise level of only 10dB, this ultrasonic rodent repeller operates silently in the background, ensuring a peaceful environment. Its 3W high-power output guarantees optimal performance, making it an ideal choice for indoor use. 3. 【Automatic Frequency Switching】- This rodent repellent device intelligently alternates between ultrasonic frequencies, preventing pests from developing immunity. By constantly changing the sonic waves, it ensures long-lasting effectiveness in driving away mice and other rodents. 4. 【Versatile and Easy to Use】- Compact and portable, this ultrasonic pest repeller can be used in various settings, such as homes, offices, warehouses, and more. Simply plug it into any standard electrical outlet and let it do its job – no installation or maintenance required. 5. 【Safe and Environmentally Friendly】- Unlike traditional methods that rely on harmful chemicals, this ultrasonic mouse repellent is a safe and eco-friendly alternative. It does not emit any toxic substances or odors, making it a pet and child-friendly solution for keeping your space rodent-free. Specification: Product material: ABS Product size: 11 x 10 x 7cm / 4.33 x 3.94 x 2.76in Product color: Black, White (Optional) Coverage area: 300m2 Noise: 10dB Frequency: 25KHz-65KHz Power: ≤3W . Package List: 1 x Rodent Repellent