The easy flick book light is one of the most versatile folding/portable lighting tools on the market. A book light with a purpose. In case of power outrages, easy flick can be used as a flash light. With an LED bulb the easy flick life expectancy averages 10 years. The sleek design make easy flick portable. No batteries needed to operate the hydraulic arm, just press the "open" button on the side and the easy flick will engage. 3LR44 Button Cell batteries are included with the easy flick providing a powerful source of light in a handheld device.