Grow Light HPS Digital Ballast 1) ... 3) Power factor>0.99 4) 600W Grow Light / Street Light 600W Digital Lighting Electronic Ballast Hold ROHS, ... -detecting protection function3) Dimming, adjustable output power4) Light weight, small size, non-flickering, noiseless5) Fast ... size, light weight, low operating temperature, rapid install and excellent energy saving. Grow Light / Street Light 600W Digital ...