** The product uses two ultrasonic transmitters, which can generate 130dB of ultrasound, which will make the fierce dog panic and keep unfriendly dogs away; protect yourself from dangerous dogs while walking, jogging, or bicycling.

** Dogs will learn to stop barking and all other unwanted behavior by associating disobeying with getting bombarded with this harmless sound. Deter unwanted behavior such as digging, chewing on furniture, jumping on guests, or barking.

** Ultrasound emitted by PAWACA Trainer Device uses physical methods to stimulate dogs and has no effect on dog health. No liquid propellant is used; thus being the most humane way to protect yourself from aggressive dogs.

**First open the battery cover and then put 1 piece 9V battery (not included),the sound is audible only to pets,finally turn on the switch and it can work well,also they can serve as a flashlight when necessary.

**dimensions is only 5.1×1.3×0.8 in (LWH), and fits comfortably into your pocket. Comes with a lanyard, convenient for you to carry anywhere you need, such as jogging or walking, cycling, park and so on.

• The dog brushing sticks made of natural rubber, which is soft, durable, bite-resistant, non-toxic without a strong rubber smell.

• The dog toothbrush toys are safe for dog’s gums and perfect to help your puppies to clean their teeth and protect them from oral diseases.

• The dog chew toy is efficient for removal of the plaque and tartar; while the bumps point also helps puppies relieve teething itching.

• Your dog can chew it as chewing toys for fun and will not refuse teeth brushing anymore.

• 360-degree cleaning of teeth to help puppies teething healthy, clean, and white.

• Chew toys can relieve the pet’s loneliness at home alone.

• Chew toys Sized in 3.5×1.6 inches to suit dogs of all sizes, from small to medium, large dogs.