- MULTI-FUNCTIONAL DESIGN: This innovative repellent offers four distinct modes tailored to your environment. Each light color indicates a different function, allowing you to select the ideal setting, such as silent mode for nighttime use in the bedroom. This humane solution repels pests without harming them. - SAFE AND ECO-FRIENDLY: Utilizing advanced frequency conversion ultrasonic waves, this device disrupts the central nervous system of pests, affecting their taste, hearing, and sight without the use of poison. Say goodbye to traditional pest control methods like traps and sprays, making it a safer option for homes with children and pets. - EXTENSIVE COVERAGE: With a maximum effective range of 800 to 1600 square feet, this repellent is perfect for comprehensive pest management in single rooms. For larger spaces or homes with multiple rooms, placing one unit per room ensures optimal protection for your living environment. - SIMPLE INSTALLATION: Designed for convenience, simply plug the repellent vertically into a wall socket between 11.8 and 23.6 inches from the ground. Adjust the mode as needed to maximize its effectiveness. This user-friendly device is free from harmful chemicals, making it safe for both humans and pets. - PRACTICAL APPLICATIONS: Ideal for various settings, this repellent is effective in homes, offices, and vacation rentals. Use it in bedrooms to maintain a quiet environment or in kitchens to deter rodents and insects. This versatile tool adapts to your specific needs, offering peace of mind in any situation.