Let all of your pets enjoy more outdoor freedom! Add an unlimited number of pets to your YardMax Pro in-ground system with this extra receiver collar. YardMax®️-Pro 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 (built-in; non-replaceable) charges in 2-3 hours.

Compatible with: YardMax®️-Pro Rechargeable In-Ground Fence 

• For dogs 5 pounds and up
• Waterproof receiver collar fits neck sizes 6-28 inches
• 5 adjustable levels of static correction
• Tone-only mode alerts your pet with a beep
• Rechargeable battery (built-in; non-replaceable)