PDA54-11SURKWA is an LED display and accessory manufactured by Kingbright. It consists of a 5.4 x 11 mm square package with surface mounted LEDs, a display, and also a mounting holder. It has an integrated lens design that helps reduce the effect of emitted light on the surrounding environment. The display has a viewing angle of 56° and provides good readability even at low or high distances. It is designed to be used in applications that require high resolution, low power consumption, and long lifetime, such as in traffic signals, consumer electronics, medical instruments, and so on. Additionally, it is capable of being powered by two different voltage sources, making it suitable for various applications.