EssentialLitez is the first and only handcrafted essential oil diffuser in the market. Handcrafted by Our Artisans.4 dazzling design options. Ultrasonic with 3 to 6 hours diffusion time. Auto Shut-Off. 7 Led color changing lights. 3 phases misting function. Extremely vibrant colors and artwork. A great holiday gift. An amazing conversation piece.