HM150 • Power: 150W Max. • Input: 120V or 220V AC, 50/60Hz • Output Voltage Taps: 12V-13V-14V-15V AC • Timer and Photocell Included • Dual Protection; Primary Circuit Protection: Auto reset thermal circuit breaker on core Secondary Circuit Protection: (1) 13A Magnetic Circuit Breaker • Certificate: ETL listed to U.S and Canada safety standards for low voltage landscape lighting • With epoxy encapsulated toroidal core transformer results in silent operation, greater than reliability and  high efficiency • Overall Dimensions: (L)290x(W)138x(H)135mm • Suitable for indoor and outdoor use