Ultrasonic Dog Chaser

• Multifunctional: In addition to being a pet training instrument, you can also prevent dog attacks that are suitable for training many types of dogs, e.g. Pets, dogs in police and shepherds, suitable for outdoor work, travel and night patrols. Note: May not be effective on large dogs and violent dogs • Ultrasonic design: based on the theory that ultrasound of the dog trainer can effectively train your dogs to be obedient and stop some unwanted behaviours such as barking, digging, chewing and more, they are harmless to both humans and pets • Easy to use: first open the battery cover and then insert a 1-piece 9V battery (not included). The sound is audible to pets only. Finally, turn on the switch and it can work well. If necessary, they can also be used as a torch. Note: the effective range of this product is 20 feet • Handheld and practical: the size of the device is approx. 12.5 x 4.5 x 2.6 cm (L x W x H), portable and hand-held, also convenient to carry, e.g. Jogging or hiking, cycling, parking, etc. • Package includes: 1 piece ultrasonic dog trainer and 1 piece instruction manual; dog trainer colour: orange; note: dog repellents can be used on most dogs, but sometimes not on these giant dogs