An LED video display includes an array of LED elements mounted on an LED panel. The record data is readable by a reader writer by transmission of the data with the antenna coil. The method then allows the collective adjusting of the tempo, tempo and pitch, or tuning of each internal track and each external track in response to receiving a command. The combination of herbal extracts has been able to maximize the anti-inflammatory activity and regulate the secretion of cytokines such as eotaxin and IL-4. The single-drive locking pin is a reusable locking pin used to secure an electrical device and faceplate to the electrical speed box through a concerted driving motion involving insertion into the engaging mechanism followed by 90 degree rotation. At least one of the first and second device may store authentication information in an data store associated with the device.