The Dogtra Smart Fence is a portable pet containment system designed to help keep dogs safely within designated boundaries while giving owners clear, real‑time awareness. It features a two‑tier alarm system with an 85‑decibel audible alert and app notifications when within Bluetooth range. Owners can choose from tone, vibration, stimulation or combined correction options with 24 adjustable levels to suit different training needs. Designed for use at home, cabins or campsites, the system offers coverage up to three‑quarters of an acre without digging or permanent installation. Built for durability with an IPX9K waterproof rating, the receiver collar charges quickly with a 2-hour rapid-charge battery. The system operates independently without requiring the app, ensuring continuous function even outside Bluetooth range. Includes: control station, receiver e‑collar with strap, mounting hardware, charging accessories and manuals. Dimensions: Control station 9.45" x 3.03" x 1.8". Receiver 8.95" x 1.63" x 1.42". Strap size 0.75" W x 28" L.