PetSafe YardMax Rechargeable Fence Receiver Bird Bath This waterproof receiver collar has

This waterproof receiver collar has 4 levels of static correction to match the sensitivity of your pet plus tone-only mode for training

For optimal performance

all without any tools

the heat will dissipate into the air and the surface temperature will vary according to the ambient air temperature

Neck Strap: 11" - 24"

PetSafe YardMax Rechargeable Fence Receiver Bird Bath This waterproof receiver collar hasLet all of your pets enjoy more outdoor freedom! Add an unlimited number of pets to your YardMax in ground system with this extra receiver collar. YardMax maximizes the amount of yard space for your pet to play freely in. When your pet nears the boundary, the collar will give a warning beep, followed by a static correction to remind your pet to stay within the boundaries. Your pet will be enjoying greater yard freedom in no time! Rechargeable battery