Dogtra 1900X Handsfree Remote Training Collar – ¾-Mile Range, 100 Stim Levels, Waterproof, Tone & Vibration, Expandable

3/4‑Mile Range – Maintain effective control and commands at distance during off‑leash sessions in open fields, parks, or trails. 100 Levels of Static Stimulation + Boost Function – Precisely customize correction intensity to suit individual dog's temperament and training needs. XPP Vibration & Tone Modes – Use pager-style vibration or tone as gentle cues before applying static stimulation, aiding clear communication. Level Lock Safety Dial – Prevents accidental changes to correction level during sessions, ensuring uninterrupted training consistency. IPX9K Waterproof Construction – Fully submersible receiver and remote are built to withstand rain, mud, and harsh conditions with replaceable faceplate protection. Built-In 1000 Lux LED Locate Light – Enhances nighttime visibility of your dog, aiding safety and awareness in low-light situations. Durable, Ergonomic Design – Curved-fit receiver comfortably suits dogs 35 lbs+, while the robust transmitter casing resists impact and wear. Expandable Up to 3 Dogs / 14 Handsfree Squares – Manage multiple dogs or train hands-free with optional Square devices for flexible control. Rechargeable Lithium‑Polymer Batteries – Fast two-hour charging with LCD display indicators, eliminating disposable batteries and minimizing downtime.