1. Repel fleas/mites/parasites
2. Ultrasonic physical drive, wide-angle coverage, compact and portable
3. Universal for pets and people, widely applicable
4. Hanging neck design, there are holes to tie the rope
5. Back clip design, unlimited, can be clipped on clothes/backpack/keychain/hair
6. Other functions: automatic timing shutdown, indicator light
7. Voltage: 3V
8. Power supply: button battery
9. Dimensions: 57 x 34 x 16 mm