1. After entry, the total duration of visa-free stay in Shenzhen is 240 hours. It counts from the 00:00 the second day upon arrival. Visit the Exit & Entry Administation Deparment of the local Public Security Bureau for further help if intend to overstay.
2. Under the 240-Hour TWOV Rule, you are permitted to visit Shenzhen, Guangzhou, Zhuhai, Foshan, Jiangmen and any cities in Guangdong Province. If time allows, you can travel to other permitted places outside Guangdong Province, such as Shanghai, Xian, Chengdu, Beijing, Zhangjiajie, etc.
3. To leave China's Mainland, you can exit from Guangdong' 36 opened ports, including Shenzhen Bao'an International Airport, Shatoujiao, Wenjindu, Huanggang, Luohu, Shenzhen Bay Port in Shenzhen, or Guangzhou Baiyun Airport, and so on, or exit from other eligbile ports in China's Mainland.