WH-2301S (12V/230W) Wang House Low Voltage Halogen Electronic Lighting Transformer Designed according to the most commonly used Lamp base in North America Dimmable up to 600W dimmers Short circuit and overload protection: Transformers shut off short or overload on the secondary side, automatically reset when problems corrected Model: Wang House WH-2301S / Standard: UL Approved Look for best pricing from Official Distributor Express Lighting under "2 new from"