Features: brand new and high quality These sound waves are designed to distract, annoy, and deter common household pests such as roach, spiders,ant, and rodent. Intelligent multi-frequency ultrasonic conversion system make pests nowhere to hide. Safe for Kids and Pets, Protect Your Family in a Healthy and Peaful Way. Many people are naturally worried about the safety of their pets when using an insect repellents device. Studies found that cats and dogs, although they can hear the waves, ultrasonic sound is inaudible to humans and household pets. No poison, smell and chemicals, sinificantly safe and harmless for kids, pregnant women and pets. Pest repellents are simple to use. All you do is plug pest repellent ultrasonic in an electrical outlet and it will start to repel the pests. The repeller should be placed in a location where its noise will not be affected by walls and furniture. 360 degree protect your home with no dead zone. It's widely used in homes, warehouses, offices, restaurant, supermarket, hospital, granary etc. Specifications: European regulations; British regulations; American regulations. Specifications: Material:Plastic Size:Approx.5.5x3x9cm/2.17x1.18x3.54inches Color:White/Blue Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Ultrasonic Insect Repellent