Protect your dog with the all-new redesigned Halo Collar 4 GPS Wireless Dog Fence. Build wireless fences in the Halo Collar app and see up-to-date, real-time location tracking that lets you know exactly where your pup is at all times. Halo Collar is the first and only dual-frequency GPS dog fence, providing accurate locations that aren't impacted by obstacles even in urban or bad signal areas keeping your dog safe anywhere you go.

• KEEP YOUR DOG SAFE EVERYWHERE: The Halo Collar 4 keeps your dog safely inside the boundaries that you create with one tap in the app and prevents them from leaving. See up-to-date, real-time location tracking that lets you know exactly where your pup is at all times. Halo also has activity tracking, instant recall and much more.
• MOST ACCURATE GPS: All-new, redesigned Halo Collar 4 is the first & only GPS dog fence collar with dual-frequency GPS, which combines L1 and L5 GPS bands for accurate locations that aren't impacted by obstacles even in urban or bad signal areas.
• FITS BIG & SMALL DOGS: New small and lightweight design. Made for dogs 10 lbs and up and 5 months and older. Adjustable collar allows for custom fit to your dog’s exact neck size, from 8 inches to 30.5 inches.
• BUILT FOR PERFORMANCE: 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.
• EASY SETUP & TRAINING: Download the app to create & store GPS fences. Simple lessons guide you step-by-step and live 1:1 help from customer service is also available. Your dog will learn how respond to their Halo Fence's anywhere you set one up.
• SUBSCRIPTION REQUIRED: Your collar needs GPS services and cellular data to create, edit, and use wireless dog fences. Pack Membership Plans start at $9.99 per month and you select one after purchase.