The Perimeter Technologies In-Ground Fence - No Wire is a flexible containment kit designed for dog owners who already have boundary wire or will source their own. It combines safety with comfort through Comfort Contacts and customizable stimulation; note that boundary wire and flags are not included, so you provide your own wire. 
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Requires own boundary wire: This kit does not include wire or flags and must be used with existing boundary wire.
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Comfort Contacts: Soft rubber contacts cushion the neck, reducing skin irritations compared to hard steel probes; veterinarians prefer this design.
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Frequency and stimulation customization: Perimeter Ultra Comfort Contact fence allows changing frequencies and adjusting stimulation settings to fit your dog's temperament.
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Per-dog programming: Each collar can be programmed to provide only the necessary correction level for effectiveness.
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Patented Temp Check: Internal circuitry provides stable operation over a broad temperature range; field width variance is limited to 5% (less than 5 inches) for an 8 ft width, versus competitors' variance up to 100%.
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Patented Wire Check: Transmitter monitors wire input/output automatically, allowing the system to operate even with damage to the boundary wire; the field width remains constant on both sides of a damaged boundary wire.
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Includes: One advanced wall mount transmitter; One waterproof collar receiver; Instruction/Basic Training manual; Comfort Contact Probes; Additional Rubber Comfort Contact tips; Long Hair Steel Contact Probes; Non-correction long and short training probe covers; Nylon collar.
The system delivers a reliable containment experience with a focus on your dog's comfort and safety. Comfort Contacts offer a gentler touch to reduce skin irritation, while per-dog programming ensures corrections are appropriate for each dog's temperament. Patented Temp Check and Patented Wire Check help keep the field width stable across temperature changes and even when the boundary wire is damaged, boosting safety and reliability. Because wire is not included, this kit is ideal for customers who already have wire installed or will source their own, providing flexible deployment across yards of different shapes and sizes.