The size of most standard U.S. switch plates. Available with Wiegand or Clock-and-Data interface. Potted reader suitable for indoor or outdoor use. Base part numbers: 5395 (Wiegand), 5398 (Clock-and-Data). 18" (45 cm) wire pigtail standard; consult factory for 9' (2.7 m) pigtail available by special order. Key Features Easily installed and maintained with the use of replaceable covers. Available with a Wiegand or Clock-and-Data interface. Provides high reliability, consistent read range and low power consumption. Features include multicolor LED and internal control or host control of the LED and beeper. Mounts directly on metal with minimal impact on the read range performance. Aesthetic design available in two cover designs and four colors to match any décor. Includes multilingual installation manual.