Secure Care Part#A05090902 | Includes 2 door contacts, 2 ferrites | Power supply, mount box not included | ***REMINDER: You need to order one of these power supplies: A05096362 – Single Power Supply, A40122752 Grounded Power Supply for use with the 430KHz receivers, A40020901 – 10 amp Central Power Supply, or A05091216 – 16 amp Central Power Supply for Exit Panels and for Locks–See Ancillaries for details | THIS ITEM IS NON-RETURNABLE. NO WARRANTY IF ITS NOT INSTALLED BY THE MFG (SECURE CARE) CERTIIFIED INSTALLER