Dog Health Questions: Can I trust this site called etronixmart.com to buy dog training collars?

I love my dog, so I decide to select a good dog training collars for it. Then I came across this site: http://www.etronixmart.com/ that offer dog training collars. They are in low price but with amazing function. Anyone who buy from this site can share your suggestion?

Dog Training Book - Why Buy One? When Everything is Free Online!

Recommended Answer:
Better question - why do you feel the need to electrocute your dog to make him obey you, rather than humanely training him?

Puppy and Dog Training

• All of these collars are cheap rip-offs that either won't work well enough or will short out on you. I would NOT recommend any of them.
  
  If you're going to use an e-collar then you must do so at the advice of a professional and you MUST invest in a quality collar. Period. Anything less that professional and you may end up injuring the dog.
  
  Try Dogtra brands.


• I would go to petsmart or petco if you are going to use them. E Collars were going to be our next try if squirt guns failed with my dog barking NONSTOP at the dog park.
  
  My, some people can sure be judgemental about this. They act like we have never humanely trained dogs. I trained four of my dogs without having to use squirt guns, but this one is definitely a trial. But squirt guns worked for us..thankfully.


• Amazing low price . . . remember what grandpa used to say. . ."You get what you pay for". Cheap price = Cheap Product