This light provides high intensity, blue-rich light. This makes it ideal for vigorous growth, full licecycle, flowering or mixed spectrum applications. Kit comes with: Medium DEfender Adjust-A-Wings Reflector HELLION DE Rotating Lamp Holder (Adjustable) HELLION Controllable Low Frequency Square Wave Electronic Ballast (0-10V controller ports) HELLION 630W DE-CMH 3K Lamp HELLION Reflector Connector Super Spreader 2.5m Input Power Cord 3.5m extension cord for remote placement of e-ballast or extension of input power cord length when run with ballast on-board Assembly Instructions