Best Pro Lighting’s low voltage professional grade landscape lighting 300-Watt transformer with stainless steel housing multi tap 12-Volt 13-Volt 14-Volt 15-Volt photo cell and timer. The Stainless Steel 300-Watt transformer which comes with a digital display for easy programming will turn your lights on at dusk with an option of waiting 1-9 hours to turn them off Auto to use from Dusk to Dawn or with an option of constant On to override the photo cell and connect it to a plug in timer. Best Pro Lighting’s 300-Watt transformer can be used both indoors and outdoors and is compatible with both halogen and LED bulbs. This 300-Watt transformer is UL Listed and has AC output. This low voltage transformer’s usage is for low voltage landscape lighting fixtures. not included.