... flash business card, Greeting Card with Led Light flashlight, led card, LED changing color torch Product features:pocket led card, novelty led card, business gift1. Novel& ... use for illumination , and the design is so funny, The Interior has a LED light bulb,when you need to illuminate, ... just fold the "Light Bulb " up,and the light will turns on.If put the"light Bulb"down, the light will turns off, ...