This unit was designed to transmit ultrasonic waves that are able to be heard by dogs for up to 50 feet. The ultrasonic sound emitted by Bark STOP Portable gets the dogs' attention and helps coach them towards improved behavior. The sound is irritating to dogs, and is inaudible to humans. Bark STOP Portable is ideal for training dogs or for mailmen, speed walkers, joggers and everyone. Bark STOP Portable can be used as a coaching device. Help control dogs that dig through your trash or flower beds! Coach your dog on what furniture they're not allowed on! Use the high-pitch signal to train a dog and improve its behavior.

1.Using a particular frequency ultrasonic wave to train  dog and don't have any  harmful to dog
2.The ultrasonic waves is irritating to dogs,the high intensity sound waves are out of the hearing range of human beings,

but able to be heard by dogs up to 50 feet away
3.Also can use the sonic to train a dog and improve its behavior
4.Beautiful appearance , easy to use
5.Can be use as a flashlight.

Establishment in 2010,Shenzhen Long Sheng Wang Optoelectronic Technology Co., Ltd is a manufacturer located in Shenzhen, China, which has been expanding its business fields globally and continuously growing up towards another milestone.Our major products are pest control series, electronic promotion gifts, beauty care products,etc..We are also able to offer our customers OEM service that can meet their specific requirments. With over 500 stuff members and outstanding research&development team,we provide popular and high quality products,which are also leading on the market.We have strong quality control management and more than ten cooperation factories,which supply us with very competitive items to satisfy customers throughout the world. Products by heart is our mission. From electronics & hardware design to product design, and also to packaging & images design. We are highly aware and care of the needs and requirements of our customers. We pay effort and attention on all areas and process of products in order to ensure that our customers, or even the end users, they feel comfort and satisfaction when they are dealing with us, use our products, and services. Adhering to the principle of:Honesty,Credibility and Mutual Benefit, our company wishes to establish good relationship with clients all over the world. Please feel free to contact us for further inquiries and build a better tomorow together!</p>