High-Tech Ballast: Dimmable Ballast: Dimmable level: 175W, 315W, 350W, Plus, EXT 0-10V. Cutting-edge adjustable ballast features advanced low frequency Square-Wave technology for high efficiency, reliability and no electromagnetic interference. High performance low frequency square wave electronic ballast ensures the stable light output as well as extend lamp lifetime.
Controllable output. With the output dial, you can select an output power, adjusting your light to changing circumstances or growth phases. RJ ports allow you to connect external controller for control multiple light fixtures.
Ultra-High Reflectivity Rating: The best light output is achieved by combining a 99% reflectivity glass optical silver-plated reflector.