What can you do when your pet dog starts barking non-stop? With the ultrasonic dog trainer， you can train your pet to be obedient， corrects misbehavior and stops barking. The trainer is based on the theory that ultrasound (more than 20KHZ) is above the upper limit of human hearing and super ultrasonic and 2800mcd strong white light. It can activate visual and additive activation to dogs， cats and other animals， but there will be no effects on people. So stop hesitating and make your pet obey today!Feature:- Brand new handheld ultrasonic training and driving dog machine protects you from vicious dog attack- Uses a pulse modulation circuit mode scanning- Train all kinds of dogs such as that are used as pets， in police and for shepherding - Expel ferocious dogs effectively and also cats- Training pet to be obedient， corrects misbehaviors and stops barking- Effective but no harms to dog.- Dog training， dog repelling， LED light， 3-in-1.- With LED light， can be used as a torch at usual time.- Easy to operate - Powered by one 9V battery- With a hand strip for easy carryingPower: 1 x 9V batteryColor: OrangeProduct Dimensions(L x W x D): 124 x 43 x 26mmNet Weight: 83gPackage Weight: 102gPackage Dimensions(L x W x D): 140 x 50 x 35mmPackage Include:1 x Dog Trainer1 x User Manual1 x Rope