Special features:
1. Adopts ultrasonic technology, make the dogs quiet and can effectively train your dogs to be obedient and stop some unwanted behaviors, protect you from being attacked by unfriendly dogs
2. Multifunctional device: The dog repeller has 3 functions, the first one is the LED light function, second one can train your dogs with low intensity of ultrasonic sound, the last one is an anti-barking function which depends on intense ultrasonic sound
3. Great for jogging, walking, travelling, security night patrol and most outdoor activities