A two-dog model is available. Two-Dog Pro 100 XL which comes with two collars for training two dogs from one transmitter. Come to Handler, 2. Go Away from Handler, 3. Built-in LED is a battery charge indicator and test light Up to 1 mile.
Actual range depends on training conditions, including weather, terrain, presence of cover, etc.
Usually ships the same business day. You can always remove it later. Ordering over the internet is safe and easy.