This wall mounted access network controller is IP addressable and designed to work with other Eclipse brand access control products. It can link to up to 254 other ECL-ACC1000 controllers and control more doors and card readers. The steel cabinet has a barrel lock (keys included) for added security. It has a port for connection to an uninterruptible power supply (UPS) and supports a rechargeable battery (not included). Supports 63 time zones, 255 door groups and 120 programmable holidays.