Metlund RT-954 D'MAND Wireless Transmitter Kit Includes 1 Hard-Wired Receiver (R-911) and 1 Wireless Transmitter (T-954). Receiver (R-911) must be wired to the D'MAND System Use instead of or addition to the button included with the D'MAND systems Optional accessory Turn on the system from any room without running wires For use with Metlund D"MAND System pumps