The BPW-200 is a great little machine. I love that it keeps readings in memory. I can take readings during the day at work, and review them at night and enter them into my chart. What I DON'T like is, it really eats up batteries. I put a fresh set in, and after only about 8 or 10 readings, the low battery indicator came on. I really would have expected the batteries to last at least a week or two. At 3 readings a day, you only get about 3, maybe 4 days on a set of fresh batteries! Other than that, it's a great little unit!!