(You need plug it to a USB Port). 2 way operation/rotation modes: 1: Clockwise for 2 minutes, stop for 6 minutes, then counterclockwise for 2 minutes, stop for 6 minutes and cycle. 2: Clockwise for 2 minutes, stop for 12 minutes, then counterclockwise for 2 minutes, stop for 12 minutes and cycle.
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