Timers turn loads off when no longer needed. This seven-button preset time switch has an adjustable time delay: 1, 5, 10, 20, 30, 60 minutes. It controls most types of lighting and has a lighted switch for visibility in darkened rooms. Manual ON/OFF. cULus listed. 5-year warranty. Load: Incandescent, fluorescent, compact fluorescent (CFL), magnetic low-voltage (MLV) and electronic low-voltage (ELV), 1/6 hp.