Manual Series Low Voltage Landscape Transformer is the ideal solution when on/off switching is desired at the transformer and nowhere else. Epoxy encapsulate for greater protection and performance. In-line secondary thermal or magnetic breaker protects against short circuiting. Auto-reset in-line primary overload protection. Timers and photocells are not offered as options for this unit. 10 year manufacturer limited warranty. ETL listed for wet locations. This unit is not approved for use with fixtures placed in ponds or landscape water features. For exterior use only. Output voltage taps 12V for 100W-200W, 12/13/15V for 300W.