High power and good effect: According to physical principles, outdoor and indoor insect repellents emit ultrasonic waves that damage the brains and nerves of fleas, ants, mosquitoes and lice, and they run away. Using flea treatment is safe for humans and pets. Chemical Free: Our outdoor and indoor mosquito repellent is odorless and chemical free, so that the rodent repellent is safe for everyone and pets. Because this flea and tick collar for dogs is odorless, your pet will feel comfortable using the tick remover. Easy to use: the flea control device is like a piece of jewelry attached to your pet's collar, you just need to open the repeller and hang it on the collar. Flea collars automatically protect your pets. Assuming there are no bugs around you and your pets. RECHARGEABLE: The cat flea collar can be charged for one hour, take care of your pet all day, comes with USB power adapter, computer and power bank. Anti-flea repellent Portable Flea Repeller: Our electronic repellent is very small and lightweight so you can bring tick and flea control to your pets anywhere. This lice tool is suitable for dogs and cats of all sizes. Package List: 1 ultrasonic repeller + 1 user manual + 1 USB charging cable + 1 carabiner. Note: The picture is for reference only, please refer to the actual product, thank you. ! ! Types of mosquito repellents and insect repellents: electronic mosquito repellents Power supply: 5V/1-2A Rated power: 0.008-0.015W Working current: 2-3.5 MA Ultrasonic frequency: 19.5-135khz Scope of application: outdoor 3-10m, indoor 10-80m2 Battery type: polymer lithium battery (100mAh) < p>Functional gear: 2 gears (1 gear red and blue breathing lights, 2 gear red and blue warning lights) Charging method: USB charging (the red light is on while charging and the green light is fully charged). Material: ABS Color: Black Size: approximately 33*14*46mm Weight: approximately 31g Quantity delivered: 1 piece