The front panel of the DB-RT2 features two pushbuttons with two associated LEDs. Upon initial power-up, the OFF mode is selected. Touching the other button de-selects OFF and immediately selectsON. An LED adjacent to each button shows which mode is selected.FeaturesRemote Selection of ON or OFFSingle-Button Selection for Each FunctionOpen-collector Switching3-wire or 4-wire Remote WiringProfessional Aesthetic AppearanceCompanion to other RDL(R) Remote ControlsLED Indication