Quantum 600W Digital Ballast, 120/240V DimmableWith the Quantum ballast, you can achieve high intensity illumination for your garden, which can be controlled as per your need. With the power factor of 99. 9%, you can control the light spread too. The resin cased circuit board allows it to function smoothly in humid locations. The ballast maintains its temperature with the aluminum fins, which cools down the system immediately. Flicker free functioning with Generators: The fixture can run