Timid Extra Receiver Robotic Lawnmower The collar is waterproof and

The collar is waterproof and submersible to 10 feet

On the other hand

we've developed a unique dog fence wire that is far superior to even the pro-grade wire used by companies like Invisible Fence® in their installations

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Timid Extra Receiver Robotic Lawnmower The collar is waterproof andThe Extra Receiver Collar is designed for use with the Timid Standard Dog Fence System, allowing you to safely contain additional dogs on the same system. This waterproof receiver collar is fully adjustable and can be programmed to match your dogs individual temperament. Perfect for multi dog households, this add on collar integrates seamlessly with your existing fence setup.