Essential Mist Starter Kit, Lavender And Almond Blossom, 0.67 Oz Bottle, 4/carton

Once started, the device automatically shuts off after 8 hours, restarting at the same time the next day—8 hours on, 16 hours off. No water needed as it contains natural essential oils that diffuse into a mist through microscopic holes in the vibrating plate. Battery operated for placement anywhere.