YardTrainer 300 Color:Orange you can contain an area

you can contain an area as large as 1 1/3 acres (or up to 100 acres with the purchase of additional wire and flags (SDF-WF))

This SD-1825XCAMO model features up to 1 mile of range to train up to 6 dogs (with purchase of Add-A-Dog® collars)

The SportDOG® Brand YardTrainer 100 is designed for basic obedience training around the house

and filters out all the rest

YardTrainer 300 Color:Orange you can contain an areaThe SportDOG Brand YardTrainer 300 lets you stretch obedience training and recreational opportunities with your active dog. At home, in the yard, or out at the park, you're in control all the way out to 300 yards. The YT 300 offers premium features at a value price. It is not only compact, but also has features typically found on more expensive field models including: a long life rechargeable battery, seven levels of static stimulation, easily