{"product_id":"dogtra-e-fence-3500-ef-3500-in-ground-dog-containment-system","title":"Dogtra E-Fence 3500 (EF-3500) – In-Ground Dog Containment System","description":"\u003cdiv\u003e\n\u003ch2\u003eDogtra E-Fence 3500 (EF-3500) – In-Ground Dog Containment System\u003c\/h2\u003e\n\u003cp\u003eThe Dogtra E-Fence 3500 is an advanced electronic containment system that lets you define custom boundaries around your home and yard — so your dog gets full freedom of movement on the property, and you get the peace of mind that they're safe and won't run off. An ideal solution for private yards, homes without a physical fence, or as a supplement to an existing fence.\u003c\/p\u003e\n\n\u003ch3\u003eHow does it work?\u003c\/h3\u003e\n\u003cp\u003eA boundary wire is laid around the area you define and connected to the base transmitter, and your dog wears a light, waterproof receiver collar. As the dog approaches the boundary, the collar first triggers a \u003cstrong\u003epre-warning\u003c\/strong\u003e (tone\/vibration), and only if the dog keeps advancing is a controlled-intensity correction applied. Dogs learn quickly where the boundary runs and stay inside the safe zone.\u003c\/p\u003e\n\n\u003ch3\u003eKey advantages\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarning before correction\u003c\/strong\u003e – vibration\/tone gives your dog the chance to turn back before any stimulation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVibration-only mode\u003c\/strong\u003e – train and operate with no static stimulation at all.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e8 intensity levels\u003c\/strong\u003e – precise adjustment for every dog, from sensitive breeds to independent ones.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow to medium output\u003c\/strong\u003e – moderate, controlled stimulation designed for humane training rather than punishment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIPX9K waterproof collar\u003c\/strong\u003e – fully resistant to water, rain and bathing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes 3,900 ft of wire\u003c\/strong\u003e – suits small yards through very large properties.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWire break alert\u003c\/strong\u003e – indicator light and warning tone if the boundary wire is damaged.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced filtering system\u003c\/strong\u003e – signal stability, preventing interference and false alerts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpandable\u003c\/strong\u003e – add more receiver collars for multiple dogs on the same system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLi-Po fast charging\u003c\/strong\u003e – full charge in about 2 hours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuits dogs from 15 lbs\u003c\/strong\u003e – a solution for smaller dogs too.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable border=\"0\" cellpadding=\"8\" cellspacing=\"0\" style=\"width:100%;border-collapse:collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background:#f0f0f0;\"\u003e\n\u003ctd style=\"border:1px solid #ddd;\"\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;\"\u003eElectronic containment system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;\"\u003e\u003cstrong\u003eStimulation intensity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;\"\u003e8 levels (low to medium)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f0f0f0;\"\u003e\n\u003ctd style=\"border:1px solid #ddd;\"\u003e\u003cstrong\u003eModes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;\"\u003eStimulation, vibration (HPP), vibration only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;\"\u003e\u003cstrong\u003eWater resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;\"\u003eIPX9K (fully waterproof collar)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f0f0f0;\"\u003e\n\u003ctd style=\"border:1px solid #ddd;\"\u003e\u003cstrong\u003eMaximum coverage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;\"\u003e3,900 ft of boundary wire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;\"\u003e\u003cstrong\u003eBattery\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;\"\u003eLi-Po, fast charge in about 2 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f0f0f0;\"\u003e\n\u003ctd style=\"border:1px solid #ddd;\"\u003e\u003cstrong\u003eDog weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;\"\u003e15 lbs and up\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;\"\u003e\u003cstrong\u003eExpansion\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;\"\u003eAdditional receiver collars can be added\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWho is it for?\u003c\/h3\u003e\n\u003cp\u003eFor owners who want to give their dog safe freedom in the yard, for homes without a fence or with a fence that isn't sufficient, and for trainers looking for a reliable, durable and precise containment tool. Suits a wide range of sizes and breeds.\u003c\/p\u003e\n\n\u003ch3\u003eCorrect and responsible use\u003c\/h3\u003e\n\u003cp\u003eConsult a professional familiar with the product before starting work. The system is built on pre-warning and gradual learning — not punishment. We recommend a short introductory period in which you teach your dog the boundaries using marker flags alongside positive reinforcement. For help setting the right level for your dog and for professional guidance, we're happy to assist.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDogtra E-Fence 3500 — freedom for your dog, security and peace of mind for you.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\u003cp style=\"color:#888;font-size:13px;\"\u003e🚚 Fast shipping · 🛡️ Full warranty · K9-Industries\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Dogtra","offers":[{"title":"Default Title","offer_id":49758507335936,"sku":null,"price":319.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/0425\/1392\/files\/424_e1cf8342-8e1f-487c-afdb-579a402b0115.jpg?v=1789387369","url":"https:\/\/k9-industries.com\/products\/dogtra-e-fence-3500-ef-3500-in-ground-dog-containment-system","provider":"K9-Industries","version":"1.0","type":"link"}