The Remote Retriever works up to a 150 feet range.
Yes, The Remote Retriever has batteries which are included.
Yes, the tag is durable. It is made of a durable hard plastic and covered in oil printing.
The Remote Retriever is a durable product that will last for years. The batteries will last from 3-5 years depending on usage.
Yes, each set only pairs with each other. They will not interfere with the other sets in the house.