In Hong Kong, there is a huge amount of traffic that crosses its border and the Mainland China. Customs and Excise Department (CED) is always facing a great challenge in keeping order. In order to educate denizens and travellers about new regulations related to cross border travel, CED has deployed i-Display to help achieve the purpose. With i-Display, CED can schedule short video clips for display at passageways. Besides, video clips, important messages canaalso be delivered through screen tickers appeared immediately below the video in order to catch travellers' attention and deliver the message effectively.