Our Bedlington Whippet whilst in Kennels had a serious first fit so finding a reliable tracker for him became essential for our walks.His recall is very good, I spent months working with him. He is a Sight Hound/Lurcher and they are are not the most reliable dogs when off the lead as they have such a strong prey drive. However he can't come back if he is having a fit, also how would I find him? We live in a very remote part of the country and I walk him in the open fields surrounding our home. He lives to run at speed, he can be the other side of a field in seconds and the thought of trying to find an unconscious dog in a huge field was a massive worry.The Pawfit 3 after a lot of research seemed to be the best buy. The cost of the tracker doesn't include the years subscripton but for roughly £100 (including years Subscription) you get an excellent piece of kit and peace of mind. The tracker is very well made and comes with an attachment mounting you can fit to your dogs collar or harness. I have fitted the tracker to his 'Ruffwear' harness (see picture). Spare mountings are available from the Pawfit website and if you have a couple of harnesses it's worth buying some spares as you really don't want to keep removing mountings. The mountings so far I have found are very secure, it is extremely difficult to prize them off the harness once attached another reason to buy spares. I have also fitted the Tracker to his collar if he is wearing his coat and it needs an unrestricted GPS signal, Pawfit recommend the tracker is fitted facing towards the sky. Despite the fact the tracker when fitted to his collar tends to end up facing the ground it still manages to get a strong signal.The tracker has a number of features which have proved unexpectedly useful. There is an audible alarm so should the tracker come off the mounting you can search for it not only using the GPS signal but by sound. I have not had cause to use this feature yet but pressing it also acts the same as his 'recall' whistle. I pressed it by accident and suddenly found my dog returning to me!. It is also possible to use the tracker to talk to your dog, something I have found very useful to remind him I'm waiting for him, works well for our Hound. There is also a light so you can see your dog at night, not something I have used but it's fairly bright even in daylight.The tracker has some great features it works very much like a Fitbit recording his steps, calories used and activity levels. You can set the app up to use either Goggle Maps, Satellite or OS Maps (only in UK). Your dog also gets sent messages to the tracker should he/she achieve their exercise levels.You can also set the Tracker to track quicker than the default settings of 1-2 minutes. I have experimented with both the 40 and 20 Seconds tracking but have found pressing the 'Find' toggle equally just as good. Should he disappear I just press 'Find' and the tracker's GPS quickly finds/tracks him. I didn't see much difference using the faster settings.I only use his tracker on his walks and have found battery life to be very good. We generally do 2 walks a day, a long 1.5 - 2 hour walk in the morning followed by a 45 minute afternoon stroll. The battery charge lasts about a week. If the charge goes below 30% the Tracker sends you a warning but I have used it until it was at 20% without any issues. You also need to remember your phone has a good charge before starting a walk.The only caveat I would say is that before buying check the 4G signal on your dog walks, the tracker uses a SIM card very much like your phone. We are lucky to have a strong 4G signal in our village. But before buying I spent a week walking our routes checking the signal.