8. Built-in magnetic stirring system: the photoreactor needs to have its own stirring function to assemble the all-in-one reactor. 9. Portable design with good safety: the ideal photoreactor should be all-in-one and well assembled in a closed box to avoid exposing light radiation to the environment. 10. Affordable price, and made of commercially available components: the photoreactor should be readily available and inexpensive.