Expand your Border Patrol TC1 with additional collars. Systems expands up to 5 dogs.

Features:

• Waterproof Collar: 3.25" x 1.75" x 1.75" 10 oz (27" strap)
• Recommended for dogs 30 lbs or larger
• Expandable to 5 dogs - Add-on (TC1-Add) collars
• Warning Zone notifications - collar can be programmed to Vibration or Audible Beep (other options for Warning Zone notifications are Vibration or Beep followed by delayed Stimulation)
• Rechargeable Li-Ion batteries (Battery Life varies depending on settings: typically 12-24 hours for collar)

• Product Dimensions: L 7 X W 5.5 X H 2 In.
• Item Weight: 1.5 lbs