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Click to enlargepadInnotek UltraSmart IUC-4100 
In-Ground Pet Fencing

UltraSmart in-ground pet fencing systems from Innotek set a new standard. The difference is in the sleek, streamlined comfortable collar – 30% smaller and lighter than other containment receivers. Exclusive ReadyTest produces a brief pleasant clicking from the collar to assure you of perfect collar contact. Don't leave your dog's safety to chance.

  • ReadyTest ensures correct collar fit, graduated battery status, and warns of potential system problems for greatest pet safety.
  • Waterproof collar stands up to rough punishment, even submerged under water.
  • Rechargeable Collar - Fast-charging, long life Lithium Ion batteries.
  • Expandable - Add multiple dogs to the in-ground fencing system with additional INNOTEK accessory collars (sold separately).


  • FREE! Owner's Manual Download
    IUC-4100, 4200, 5100, and 5200 Owner's Manual, downloadable in .pdf format.
    Click here to read the IUC Owner's Manual.




    Availability: Usually ships the same business day.

    Innotek UltraSmart IUC-4100 In-Ground Pet Fencing
    iuc4100padRetail: $359.99padYou Pay: $279.95pad
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    Pet Containment Systems by Innotek, PetSafe, Dogtra, and SportDog