Product Description: Color Yellow Material: ABS + Electronic Components Weight: 64g Size: 13.853.5cm Package includes: 1 x Dog Training Device 1 x User Manual Ensures your security. Walk at night without fear of stray dogs who might chase and attack you if you have it by your side. Helps you in your work. If you need to patrol an area where dogs are free to roam, the tool is sure to help. It is not harmful at all. Although this product can be very irritating, its use does not cause pain in dogs that hear the ultrasonic waves it emits. Allows you to see well at night. It has a built-in flashlight that you can use when you’re trapped in dark places where you can’t see anything. If anything, the light emitted can also help fight dogs.