I bought this for tracking bird seed (outdoor bird feeders) around the house and other debris on my tile floors. He copes with this task very well. It works as hoped and is easier to use with no cable to lug around. There was a concern with the "Questions" about the battery, so I read about the life expectancy of a lithium battery. you would have done the same For example, it is never recommended to discharge the battery to zero. With a one year warranty I expect the battery to last with proper use.