OURSPOP&reg; Adjustable Fetch Harness Chest Strap Belt Mounts For GoPro Hero HD, Hero 4, Hero 3+, Hero 3, Hero 2, Hero 1, SJ4000 5000 (Dog Strap) 1 camera mounts:can put 1 camaras (one up the dog) Applicate for:GoPro Hero HD, Hero 4, Hero 3+, Hero 3, Hero 2, Hero 1, SJ4000 5000 Easy set: just hand the long screw to the ring,then it will fit well Adjustable: suit for from 14 pounds to 115 pounds (6.5 kg to 52 kilograms) dogs. Dog Eyes View: Know what you dog want to see!