Halogen Electronic Dimmable Transformer 120VAC to 12VAC 230W MAX Fits Wang House WH-2301S American-De Rosa D3083 DIMENSION: 4.1/4X1.3/4X1.1/4 INCHES (105X45X30mm) INPUT: 120VAC 60Hz 1.9A ; OUTPUT: 12VAC 50W Min. - 230W MAX. DIMMABLE WITH LOW-VOLTAGE DIMMER OPERATING FREQU.: LESS THAN 20KHz ; SOFT START , OVERLOAD SHORT CIRCUIT PROTECTED , AUTO RESET