Bull Mastiff

The Garmin Alpha TT 25 dog collar is a tracking and training 2 in 1 collar to work with Garmin Alpha series GPS dog tracking handheld. The redesigned collar is slim but rugged for wide range of dogs from 9kg in weight. The Alpha TT25 GPS dog tracker...

Features: Up to 1200m range Slim design receiver/collar ergonomically shaped to suit most dogs Train up to 3 dogs Suits most medium to large dogs 'Nick' and 'Constant' stimulation along with a non-stimulating pager/vibration Rheostat dial with up to 100...

The Garmin Alpha T20 GPS tracking collar is redesigned slim but rugged collar to suit wide range of dogs from 9kg in weight. The Alpha T20 GPS dog tracker features a user-replaceable flex GPS band which was the weak spot of the previous T5 and TT15...

The Add on collar for Dogtra 1900x and 280x Training system.  The new 1900x add on dog training collar is compactable with both Dogtra 280x and 1900x system. So you can use this large dog collar on 280x small dog system as well as 1900x large system...