There are differences. Detention centers are generally temporary detention or detention of prisoners with short sentences. Relatively speaking, vigilance and requirements are not as strict as in prison. Prisons generally hold major criminals such as fixed-term imprisonment and life imprisonment, and these people must be strictly controlled and required.
Clothing is almost the same, both have clothing, detention center is generally yellow, prison is light blue, not necessarily.
Prison visits have strict time regulations and requirements, generally ranging from 30 minutes to 1 hour.
All items must be listed in detail and subject to strict inspection.