Apparently you buy it because you 1) can't hear the humidity sensor alarm built into the dryer already that already turns off the dryer, and/or 2) are a useless

Apparently you buy it because you 1) can't hear the humidity sensor alarm built into the dryer already that already turns off the dryer, and/or 2) are a useless gadget cuck who can't go without having it on your smart phone.