Portable electronic insect repellent, no chemical stimulation, with physical principles, electronic simulation to emit ultrasonic waves to achieve the effect of repelling ticks, fleas and lice.Wide coverage, within 3-10 meters can achieve effective prevention, provide comprehensive and continuous protection, keep your dog happy and healthy.Environmentally friendly, no chemicals or fragrances, safe compatible cats and dogs.The flashing light can be switched to night mode to reduce the risk of getting lost at night.Product details: The product has a built-in LED light, a USB cable inside and is available in white or black. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!