The Contractor Series Low Voltage Landscape Transformer provides the best option and flexibility needed for most installations. Features include a commercial grade toroid core and coil submersible rating, and plug in timer and photocell outlets. 75W: Output voltage taps 12/15/ Volts. 150W/300W/600W/900W: Output voltage taps 12/13/14/15 Volts. 10 year warranty. ETL listed for wet locations. Optional accessories sold separately.