Works Great, but no warning beeps before shock - shocks right away.
Our dog kept 'marking' on our sectional, and we decided to go with a product that was similar to our wireless fence system outside (petsafe pif-300).
Typically, there's a good working radius of about 5-6 feet within viewing distance of the hub. When the collar is too close, it beeps, but I also found that it shocks or 'static corrects' right away, instead of first warning with beeps, and then correcting. Because of this, I just removed the prongs since my dog is used to the warning beeps from the outdoor unit. The beeping is effective enough to discourage from moving any closer. I believe if any dog is used to the outdoor system, this will be a very quick learning process.
SO it does work great, but be aware that it will shock as soon as the collar reaches the signal from the hub.
Verified purchase: YesCondition: New