347V-1000W-DIMMABLE - HPS GROW LIGHT-$260 200-277V-1000W-DIMMABLE - HPS GROW LIGHT-230 Specifications RUNNING Digital Dimmable Ballast - Dimmable in 1150W, 1000W, 750W & 600W Operating Temperature: -25℃ ~ 50℃. Power Supply Frequency: 50 ~ 60 Hz Operating Frequency: 25 ~ 100 kHz Crest Ratio: < 1.7 Power Factor: > 0.98 Total Harmonic Distortion (THD): < 10% Efficiency: > 93% WL range: 380nm - 780nm ETL APPROVE WARRANTY 2YEARS  LARGE QUANTITY IN STOCK, Feel free to ask WHOLESALE questions. Shipping : Ship with Canpar. All lights sold by RUNNING LED INC. are brand new and ship in original box and packaging.  Most orders ship within 3 business days. Pick up available in Scarborough.  Contact: 6479875625 Mika (text pref)