If I put your sensor on my dog, will you find it?
You seem to have a creative mind, sir)) Yes, this is possible, but in theory. First, the insurance will cost you money, so when it comes to a dog, you have to decide if it is worth it. Second, you cannot hide the device - you can only buckle it to the dog's collar. And if someone takes it off - occasionally or on purpose - then we'll not be able to track your pet any more.
Maybe if we get more requests like that, we'll run a research and construct a tracking device for smaller objects - bikes, packages, gadgets - or even pets.
But in fact the need for SurruS system in tracking stolen cars is mostly caused by the problem of signal muffling. Thieves use mufflers to muffle GPS/GSM signal. And we solve this problem in our system. But when it comes to pets, gadgets and stuff like that - who on Earth would use mufflers? So it makes more sense to use regular GPS/GSM trackers to be sure you can locate the item.