1. Intelligent dualspeaker mouse repeller, dynamic cross frequency conversion technology. 2. Intelligent frequency conversion, quiet design, safety and environmental protection. 3. Highpower double speakers have a strong repelling effect, greatly improving the strength of repelling rats and mosquitoes, and effectively solving rodents and mosquitoes. 4. Ultrasonic dynamic automatic frequency conversion, multidimensional frequency conversion, intelligent frequency conversion technology continuously emits sound waves in different frequency bands to drive away mice and mosquitoes. 5. It's easy to handle all kinds of situations. It is very simple to repel mice and mosquitoes. It is suitable for many environments such as homes, warehouses, hotels, restaurants. Specification: Item Type: Mosquito Repeller; Material: ABS; Weight: Approx. 90g / 3.2oz; Power Supply: AC110V; Rated Power: 3-6W; Acoustic Frequency: 22KHZ-85KHZ; Sound Wave Varieties: ultrasonic, electromagnetic wave; Speaker Type: 2 buzzers; Covering Area: 150m; Product Features: full frequency band dynamic cross frequency conversion technology. Package List: 1 x Pest Repeller, 1 x Use manual.