2-wire Simplebus door entry monitor kit comprised of: 1 Quadra series wall-mounted external unit art. 4893M, 1 power supply unit art. 1209, 1 Mini series color monitor with handset art. 6601W, 1 flush-mounted box art. 6117, 1 wall-mounted bracket art. 6620, 1 distribution terminal art. 1214/2C and 1 line closure terminal art. 1216.
