E-Ballast with super lumens have unique graduated fin design for more efficient cooling. Completely pre-wired with popular BAREF lamp cord. Internal resin coating protects components for long life. External breaker system protects against power surges. Completely silent, 3 years full and 2 years warranty. 120/240-Voltage, maximum amperage 2.5 and maximum wattage 250. This product weighs 7.5-pound. Measures 8-1/2-inch length by 13-1/2-inch width by 3-2/5-inch height.