The idea comes from the ZIP, since the ZIP is widely used in our daily life, it’s easy to find and use in an emergency situation, and one needn’t to look for other lights --- Once you wear a clothes or carry a bag with such a kind of zip light. Also, it saves the room for a torch. In usual, it has special function. It can help you watch the time, find something in bag, guard against theft and protect you from being crashed, and easy to use.