vladimir reshetov specialist from the rudn veterinary center tyrant dina salikhov training instructorkina and her dog rita check how they work for the first time sample for 460 rubles. as the advertisement writes, it picks up sounds and starts to vibrate. three devices worked, a squeak was heard, there is no vibration. we tried again. oh again, only squeak and no vibration. in addition, it turned out the collar reacts to any extraneous noise, a loud male voice or the sounds of a saw. imagine that the neighbors are doing repairs. and for this goes to your pet. this device is simple and it is so cheap. there is no sound analyzer, its just a loud signal, i can’t think of it, and it will also work the second sample for 2,000 rubles. as the manufacturer promises, it can discourage a dog from pooping without causing pain or anxiety; it is even called soothing whiskey, fifty, hertz. that is, it reminds you of how you have transformers. so the feeling quite significant, but comparable to an old drill to extraneous sounds, a loud voice and noise from a saw, the device reacted only with a squea