Like all Kichler Landscape Lighting transformers, the 100W Plus Series Transformer is compatible with our 12/2 wire and a wide range of Kichler Landscape Lighting fixtures. This model comes with a 10-year warranty and works with many optional accessories. Reduces standard 120V line voltage to 12V low voltage required for landscape lighting, while providing the power you need for up to 100 Watt installations. 12V Low Voltage Lighting systems require fixtures, LED bulbs for drop-in fixtures, low voltage wire and a transformer to operate. This transformer reduces standard 120V line voltage to 12V low voltage required for landscape lighting, while providing the power you need for up to 100 Watt installations. Durable steel housing will withstand the elements. No timer is included with this transformer.