Collar 4, All New GPS Wireless Dog Fence & Dog Training Collar with GPS Tracker, Subscription Required, Waterproof, One Size, Midnight

- KEEPS DOGS SAFE, EVERYWHERE: The Halo Collar 4 GPS fence system keeps your dog inside the boundaries created in our app to prevent your pet from leaving. See up-to-date, real-time location tracking at all times, activity tracking, instant recall & more
- SUBSCRIPTION REQUIRED: Your collar needs GPS services and cellular data to create, edit, and use the wireless dog fences and GPS tracking. Pack Membership Plans start at $ 9.99 per month. Select a plan after purchase
- GPS COVERAGE: The all-new, redesigned Halo Collar 4 is the first and only wireless dog fence with dual-frequency GPS. The GPS fence combines L1 & L5 GPS bands for accurate locations that aren't impacted by obstacles, even in urban or bad signal areas
- FITS BIG & SMALL DOGS: A new, small, lightweight design. Made for small, medium or large dogs, 10 lbs and up, 5 months and older. The adjustable dog collar allows for a custom fit to your dogs exact neck size, from 8 inches to 30.5 inches
- 30+ HOUR BATTERY LIFE: 25% more battery life for 30 hours (or more) between charges. Plus, more rugged, with improved waterproofing, better wireless performance, a louder speaker, stronger vibrate, & improved static
- CUSTOMER SERVICE & DOG TRAINING: Download the app to create & store GPS fences. If you need technical help on battery life, collar sizing, the Halo app, or dog training, contact the Halo Dog Park, our customer service team, for live 1:1 suppo