Product Function: Upgraded version and upgraded frequency: This product is an upgraded version of ultrasonic insect repellent, with upgraded frequency, which is higher than ordinary insect repellents on the market. Using advanced ultrasonic technology to interfere with the nervous system of spiders, mosquitoes, cockroaches, ants, flies, insects and fleas, making them uncomfortable and forcing them to leave. They won't come back. Portable: Large battery capacity, the outdoor mosquito repellent can work for 7 days, micro USB charging, no plug-in required, you can take it with you anywhere to protect yourself from mosquitoes or other insects. Camping or travel companion. With the lanyard, you can hang it around your neck or attach it to your bag. Flea and Tick Prevention for Dogs, Cats and Pets: Simply hang a portable repellent that repels fleas, ticks, lice, chiggers and other insects on your dog, cat or pet and it will help animals get rid of skin problems. Features: GUARANTEED LONG LASTING OUTDOOR PROTECTION: Ultrasonic mosquito repellent prevents mosquito bites for a long time. It's a must-have for all outdoor activities, especially camping, hunting, climbing, running, hiking, traveling, fishing, barbecue, gardening, picnic, golf and even the simple barbecue. Keep Mosquitoes Away and Enjoy the Outdoors Safe and Environmentally Friendly: Ultrasonic Pest Repeller is a safe and environmentally friendly pest control solution. No chemicals, no poison, no smell, no radiation, no noise, 100% safe for your family and your lovely dog or cat. Eliminate bugs or rodents instead of killing them so there's no bad carcass left to clean up. Package includes: Insect repellent * 1 Main points: 1. The product size is manually measured, there may be errors 2. Since different monitors display different colors, please refer to the actual color you received . 3.Please confirm the size before purchasing.