For more information videos and installation guides on the dsc alexor alarm system click herefor the alexor brand store the dsc alexor wt4989 2 way wireless keyfob is a 2 way wireless remote key fob for use with dsc alexor systems this high performance wireless keyfob allows the system to be armed and disarmed and also features lcd icon display to show the alarm status including whether the alarm was recently triggered before you enter the premisesbacklit icon displaybuilt in buzzer for a