Thats it mate you normally find when you got them alot of the time decent dogs wont go as far as you think not all the time but most. Got my first a few year ago now and thought it was a gamechanger to be fair i had a dog very good at a particular job and could kill very quickly and come away so some things were left in the open unintentionally. im not a fan of carrying too much so just keep a garmin for when im going to unfamiliar places. Honestly for most dogs and places them vodafone ones are brilliant and dont look like a training collar ill probably use one of them next winter 10x more th