RockBirds PQ03 Solar Bird bath Fountain Pump with Power Panel Kit and Water Pump, Outdoor water fountains Safe and Environmentally Friendly Built with high quality ABS safety, flame retardant material, Its high quality, low energy consumption, flame retardant, safer, more environmentally friendly, anti-drop and durable repeller, its safe to human and pet. Ultrasonic and Electromagnetic Wave Technology With safe & advanced effective technology to repel insects and mice with sound waves of various frequency. Widely Used  This repeller widely used in homes, warehouses, shops, hotels, hospitals, offices Ultrasonic waves cannot travel through walls, we suggest each room to install one. Easy to Use Plug into outlet in your house to effectively eliminate those pests and rodents. The pest repeller drives away pests immediately without any mess. No cleaning up of dead rodents or insects. Satisfied Guarantee If you are unsatisfied with the repeller in any reason, please contact us, well make a full refund or replacement to you immediately.