This 2-Door Master Kit includes a CT-V900-A controller, a metal enclosure to house the panel, two multi-technology Wiegand proximity readers (that read CDVI and most popular 26-bit card formats), an installation CD of Centaur (LITE Edition), a 10-meter DB9 serial cable, and a 150VA transformer capable of powering one CT-V900-A controller and three CA-A470-A expansion modules.