These things seemed to be designed or manufactured to have no more than a 2-year useful life

It has great battery life, too!

even though I haven’t had to change the batteries yet - super long life!)

Good range, good battery life

Works fine long battery life

Good battery life

Good range, good battery life

but I would have liked a little more life out of it.

Feels really sturdy and great battery life

This thing has unbelievable battery life.

Terrible battery life

Well made, good battery life so far, reliable, tracks well.

Sufficient battery life (several months, depending on how often you turn it

Good battery life.

Great battery life, especially since I usually forget to turn it off.