$95! If you want simple lights and made-in-USA then sure. Basic electronics cost 5x more when made in the US. (It is worth noting that only 1 of the reviews have actually used it with L91.) But for that type of money you can get good IR testers:

• https://www.amazon.com/dp/B07S7NJRTW/ $65
• https://www.amazon.com/dp/B081JGZ554/ $30 (Though the bar graph won't be accurate for L91.)
• https://www.amazon.com/dp/B0B8J1HSK6/ $86