Check the listing for details. Dogtra 3502X Dual Knob 2-Dog Training Collars System. Condition: New. Listed at 519.99 USD. STORE ABOUT US NEWSLETTER CONTACT US DESIGN & CONTENTS © COPYRIGHT PETMOODS The Dogtra 3502X is designed for advanced handlers and trainers. The 3502X is packaged with a professional grade DUAL-DIAL transmitter and IPX9K certified waterproof receiver. Geared towards professionals, the unique and essential features are intended to elevate your training regimen: 1.5-mile range, Stimulation Level Lock, single-button Nick/Constant stimulation, HPP vibration, audible tone, 8-level Selector Dial, and DUAL-DIAL, independent 2-dog control. The DUAL-DIAL transmitter of the 3502X comes with a dimmable OLED screen and two sets of the Selector Dial and buttons dedicated to each collar, which allows seamless and effective operation of the collars without switching levels back and forth. The 3500X features make it an ideal tool for elevating hunting/competition performance or training * The range may reduce depending on the surroundings. Features: Range up to 1.5 Miles For dogs as small as 35 pounds and Over and perfect for all breeds and coat thickness Dimmable OLED Screen Selector/Step Dial with Stimulation Levels 0-8 2-Hour Rapid Charge Batteries Nick, Constant, and High Performance Pager Vibration Low to High Power Stimulation Belt Clip Fully Waterproof Two-Dog System Dogtra Two Year Limited Lifetime Warranty (Only from Authorized Reseller) Contents: Dogtra 3502X DUAL DIAL Transmitter Two (2) Dogtra 3502X Collar Receiver Two (2) Dogtra Black & Orange Collar Strap Battery Charger Splitter Cable Test Light Antenna Hinge Washer Hard Case Dogtra Owner's Manual Dogtra Platinum 2-Year Warranty & Limited Lifetime Warranty ​​​​​​​ FREE Dogtra after sales setup, full USA support and replacement with a valid Warranty FREE Shipping to the lower 48 USA continental State