Dogtra 1900X Black Edition – Model 1900X‑BE Expandable Remote Training Collar (1 Mile Range, Waterproof, 100 Levels, Tone & Vibration)

1‑Mile Remote Range – Enables confident long-distance training in open fields, parks, or large yards. 100 Stimulation Levels + BOOST & Safety Lock – Customize intensity precisely and secure settings for safe consistency during training. XPP Vibration & Audible Tone – Use gentle vibration or tone cues before stimulation to reinforce commands effectively. Built‑In 1000 Lux LED Locator Light – Maintain high visibility of your dog in low-light conditions for safety and tracking. IPX9K Waterproof & Protective Double-Layer Casing – Designed for rugged use, resisting high-pressure water and impact in harsh environments. Expandability to 3 Dogs – Add up to two extra receivers (sold separately) to train multiple dogs with one transmitter. Removable Contact Points – Easily switch to tone/vibration-only training as needed for comfort or sensitivity adjustments. Programmable Central Command Button – Instant access to favorite functions (light, tone, etc.) at the push of a button Ergonomic Design – Lightweight transmitter (~5.2 oz) and curved receiver (~5.6 oz) fit dogs 35 lbs and up comfortably and securely.