Product name: Electronic ultrasonic mosquito repellent Product size:9*5*5 cm/3.54*1.97*1.97in Product color: white Product material:plastic Product features: 1. Enhanced Ultrasonic Technology: Our pest repellent utilizes the latest chip technology to intensify ultrasonic waves, making it even more effective against Harmful bug and rodents. Say goodbye to Harmful bug that are immune to traditional methods. 2. Safe and Eco-Friendly: Unlike chemical-based pest control solutions, our device is completely safe for humans and pets. It adopts a physical and humane approach to repel Harmful bug without harming them. No chemicals, no radiation, and no unpleasant odors. 3. Wide Coverage and Energy-Efficient: With an effective coverage area of 80-120m2, our pest repellent is suitable for homes, offices, warehouses, and more. Using it in each room is recommended for optimal performance. Save money on expensive pest control services and enjoy an energy-efficient solution. 4. Effective Against Various Harmful bug: From mosquitoes and mice to cockroaches and bedbugs, our ultrasonic pest repellent works on a wide range of Harmful bug . Say goodbye to unwanted guests and enjoy a pest-free environment. 5. Easy to Use: Simply plug in the device and let it work its magic. Install it 20-80cm above the ground and avoid placing it near sound-absorbing materials. Experience a noticeable decrease in pest activities within the first few days of use. Enjoy a hassle-free and convenient pest control solution. Precautions: 1. As we all know , the different computers display colors differently, the color of the actual item may vary slightly from the following images. 2. If you feel difficult to choose the size, you can feel free to contact mewe will give you some suggestion, but it is for you reference only. Shipment includes: 1 pcs Electronic ultrasonic mosquito repellent