Providing performance and reliability, HID"s attractive, unobtrusive ThinLine II proximity card reader is housed in a two-piece, weatherproof secure potted enclosure.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.