Doterra Myst Wall Plug Diffuser (Oil NOT included). The motion-activated, atomizing Myst Wall Plug Diffuser effortlessly transforms your space using waterless and heatless technology. You won’t have to recharge or refill your Myst-simply twist on your favorite doTERRA essential oil bottle, plug the diffuser into a vertical outlet, and enjoy the fine aroma. Customize your experience with three output settings-motion-sensing, timed-interval, and manual-plus a nighttime-friendly dark mode, where no indicator lights appear. Important: See the Myst 2.0 manual for instructions and cautions.