Low power == low connection range
This product advertises 30 meters (about 90 feet) of bluetooth connectivity range. That number is typically given on many products as a theoretical max range, given ideal conditions, and a direct line of sight to the device.<br /><br />It doesn't come close.<br /><br />First, it's a small device with low power requirements. Second, it's designed to be worn underneath clothing, and is positioned between the legs, putting a lot of signal-blocking human in the way.<br /><br />I'm lucky if it stays connected when I take my phone out of my pocket.  I can't imagine how a caretaker could stay connected.<br /><br />Other than that, it's a little finicky, but seems to work. I'd prefer a sensor that could attach to higher capacity plastic backed diapers. It's also not waterproof, so be careful not to get moisture inside during a change. If you do, remove the battery, then use some isopropyl alcohol to evaporate the water away, and it'll work again.
Rating: 3 stars