This is a red LED 3-digit, 8-inch character DL834 Display, perfect for SR3600/SR3800 or DT100/200/300 detectors. Each character stands tall at 8 inches. Powered by a 12VDC adapter (included), it cannot be powered by the radar gun. Secure it on a tabletop stand, USM, or heavy-duty tripod for stability. This display ensures clear, noticeable speed reading results.