ProdataKey?s Red? Readers are in a class of their own, with OSDP secure connectivity, high (13.56MHz) and low-frequency (125 kHz) communication, and mobile-ready options. Red Readers are now one of the most secure and versatile readers on the market today, handling every application, from your daily install to the most secure implementation.Main FeaturesCable Distance Wiegand 500? (22AWG)Protection Rating IP55Power 5 - 16V DC (Linear power supply recommended)Enclosure Dimensions: 3.25? x 5.1? x 0.71?