Nothing more to say, as the title and description is the right product

Necklace matching the description, good quality, works great! The necklace that goes with the machine has not been used, we already had a necklace that could accommodate the system. Handles very well and for daily use, charging should do almost every 2 or 3 weeks.

It was used during the holidays, at the pool because our dog was barking constantly when we dive into the water and the necklace has served, especially since it is waterproof (that said we did not immersed in water, but projections, the rain has weathered)

Electrical discharge level is hard enough for the dog Jack (15kg) even has the power 2 the collar is strong enough, then I can not imagine a PowerMax 7 on vibrate so it is also effective. Big plus for the possibility of loading it via USB.