The M-PROX-MUL is an IP65 mullion style access control reader designed to work with the13.56MHz frequency cards or fob technology. The reader emits a halo effect blue light when powered, turning green / red when a card / fob is presented. The reader also has tamper and reverse power polarity protection built in. Output technology is wiegand 32 bit meaning it will be compatible with many access control systems within the market and makes it a great choice for any installer looking for an aesthetically pleasing generic access control 13.56MHz reader.