Tru Sun 900 System comes with the 900w Ceramic MH bulb and the matching digital 900w ballast. The Tru Sun 900 Ceramic MH is our flagship single lamp solution. Provides the fullest spectrum of light ever seen in a horticulture lamp. Experience legendary growth and yields with this star performer. Provides complete PAR spectrum Significant heat reduction compared to competing systems Vertical burn position only Ultra high frequency smart ballast Ceramic Metal Halide technology Ceramic MH Lamp Information: Full PAR light range 400-700nm Ceramic arc-tube design means up to 5 times longer life than MH or HPS 95% Lumen Maintenance at 50% of life Burning Position - Base up or down only 2 Year warranty CCT: 4000K CRI: 97 uM: 1838 at 32in distance 900w Ballast Information: Soft-start design increases lamp life Generates less heat through smart ballast technology Sealed design with no internal moving parts ensures maintenance free operation High frequency design means low harmonic distortion 5 year warranty Patent pending technology Input: Voltage: 120/240 V Current: 7.2/3.6 A Freq: 50/60 Hz PF: >0.98 THD: Power: 860W Output: Voltage: 220-280 V Current: 3.0-3.9 A Freq: 100K-200KHZ Ignition: Ta= 50 degrees C Tc= 80 degrees C CF: