Technical Specifications Color BlackMaterial MetalLAMP 600 W HPS MHEntrance 220 V 240V 50 60HzElectricity 3 0APower factor 0 98THD Klirrfactor 10 CF 1 7 8451 TA 30 8451 TC 70Size 280x98 5x58 8MM 11x3 9x2 3in Features It has the functions of open circuit protection short circuit protection and overload protection Efficiency Less self heating energy saving 30 than magnetic ballasts No noise conducive to learning and working in a quiet environment Fit for garden plants Growing lights HPS MH luminaires Package includes 1 x Electronic ballast1 x Cable1 x English Manual Notice 1 Please allow 1 3mm error due to manual measurement Pls make sure you do not mind before you bid 2 The color may have different as the difference display pls understand