Provided is a long and large-area graphite film having improved thermal diffusivity and flex resistance, and accompanied by ameliorated ruffling. By setting the operation mode via the control mechanism, the LED light device can be used for more than one intended purposes such as regular lighting, emergency lighting, and flashlight. In response to the user of the mobile device selecting the miniaturized version of the image, the mobile device sends a wireless message to the external storage device requesting transfer of the full-sized image. Water is heated in a water heater and transferred from the upper portion of the water heater tank to the lower portion of the vacuum-insulated supplemental tank through an insulated line and a dip tube that extends between the water inlet port and the bottom portion of the inner vessel. The white space area comprises a cumulative area calculated from an area within each of the cells not contained by the respective digital content. Components of the device are fabricated from organic conductors.