Misting duration: 3 hours the non-stop mode selected (first push of a button on the right) and 4-5 hours with the 30-second intermittent mode selected (second push of a button on the right - the third push of a button turns the machine off).
Covers: 400+ square feet.
Interior: BPA-free plastic water tank.
Dimensions: 3.5 x7.5 inches
Weight: 1.1 lbs