Invisible Fence R21 Compatible Dog Fence Collar

 
The Perimeter ComputerReceiver Collar is designed to replace your Invisible Fence R21 collar. The Invisible Fence Compatible collar will work with your existing Invisible Fence brand 7K or 10K dog fence system (excludes Invisible Fence 800 series dog fences - see compatible transmitters below).

The collar receiver is completely waterproof and available in 2 frequencies, 7K or 10K (check your current transmitter to determine which frequency you need). Only Perimeter Technologies collars come with patented rubber Comfort Contacts - designed for your dog's added comfort and safety.

The receiver weighs only 1.1 ounces, making it one of the lightest dog fence receivers available. The Perimeter ComputerReceiver Collar is proudly made in the USA by Perimeter Technologies.

This collar uses the Perimeter Receiver Collar Replacement Battery

Features of the Perimeter Invisible Fence R21 Compatible Collar:

• Patented three antenna, omni-directional design ensures signal reception regardless of the pet's orientation to the fence
• Replaces Invisible Fence brand R21 Collar and includes Comfort Contacts
• Each collar comes with one pair of rubber Comfort Contacts
• Progressive Correction for Maximum Containment Stability
• Totally Waterproof Collar Receiver
• Two sets of Contact Posts (1 Pair Rubber Comfort Contacts, 1 Pair Medium Steel Contacts)
• One Lithium Ion Battery Pack
• One Adjustable Nylon Collar
• Extremely Small and Lightweight Receiver Weighs in at Only 1.1 Ounces
• Designed and Manufactured in the USA
• Lifetime Warranty

The Perimeter Invisible Fence R21 Compatible dog fence collar works with the following Invisible Fence brand transmitters:

• ICT700
• ICT725
• ICT750 (Gray Case)
• ICT775 (Gray Case)
• Invisible Gate
• ICT150
• ICT250 (Dark Blue Case)
• ICT100 (Dark Blue Case)
• ICT100A (Dark Blue Case)
• ICT75 (Dark Blue Case)
• ICT50 (Dark Blue Case)
• AT950 Indoor Transmitter
• CT4000

Please note that the ComputerReceiver will not work with:

• Perimeter Brand Fence systems
• Invisible Fence 800 series fence systems
• Shields Indoor Avoidance transmitters
• Not a replacement for the Invisible Fence Titanium series dog collars