What can you do when your pet dog or your neighbor’s dog starts barking ? The dog trainer is based on the theory that more than 130db is above the upper of human hearing and super and strong white light. It can activate visual and additive activation to dogs, cats and other animals, but there will be no effects on people. It’s also a great training device to help correct your dog’s barking, walking, leash training, sitting, , and other behavioral obedience.What a nice pet training tool! Features - Material: Plastic. - Color: Black. - Size: Approx. 14 x 6 x 6cm. - Sound Pressure: 130dB. - Powered By: 9V battery. - Easy hanging or mounting on a tree, wall or fence post to keep your own dog or your neighbors dog from barking. - The dog trainer is based on the theory that more than 130dB is above the upper of human hearing and super and strong white light. - To train your pets to be obedient. Can be used to help correct your dog’s misconducts like improper barking, , and other behavioral . - wild dogs effectively and from dog . - Suitable for training all kinds of dogs like those used as pets, in police and for sheep farms. - Can activate visual and additive activation to dog and other animals, but no effects on humans. - Built-in flash light design for easy and convenient use. Package list: 1