New 2014-2015 Nanolux 600w Cube Digital Dimmable E-Ballast MH HPS Grow Light Easily switches between MH and HPS Bulbs, Measurements: 5"L x 5"W x 5"H, Weight : 3.85 lbs Voltage: 120v/240v, Runs cool and quiet, Universal lamp receptacle Modular power cord included, Powers on with random start Dimmable, 50%, 75%, 100% 3 Year Bumper to Bumper Warranty