Upgraded Version- Aromatherapy diffuser produces stonger mist than the old version, covers larger space like bedroom, living room. Large Capacity - Essential oil diffuser holds up to 300ml water, longer working time up to 10 hrs. Automatically power off when water used up. Timer Setting- Choose your preferred running time: 1 hour/3 hours/6 hours/steady on. Color Changing Night Light- Set to 7 color cylcing through or fix on one specific color.