What Discounts or Promotions Are Currently Available? Follow Click here to visit the Halo Collar shop page to see any active discounts or promotions. Related articles How Much Does the Halo Collar Cost? I Ordered More Than One Collar, Will I Receive Them at the Same Time? Halo Shipping FAQs Does the Battery Drain Faster if Multiple Devices Are Monitoring a Collar Simultaneously? Return Policy Details Comments 0 comments Article is closed for comments.