A three-proof dog trainer, with remote control at the transmitting end, can remotely control multiple collars at the same time, and use electric shock vibration to train vicious dogs to make them obey. For the 2022 design work, the feeling of merit is halved, and the pet cocoa loves love.
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Wow ~~~~ It's really nice ~ ~ ~ ~ ~
It's really good, ha, ha, ha
looks good
This is suitable for police dogs
It looks like a walkie-talkie
I have changed the realization. The receiver no longer needs this. I can only say the concept ha ha ha ha ha ha ha ha ha