Electronic Ballast for HID Lamps (World Wide) Model: GD-761-MH Rated Power: 20W Input Voltage: 220V-240V Case Dimension:98L*42.8W*29H(mm) Frequency : 50/60Hz Carton Size: (cm) Output Voltage:3.8-5KV PCS/CTN: 50 pcs Ta: -25¡æ to 50¡æ AP Tc: Max.85¡æ Technical Parameters: Protection class II Thermal Protection Casing: Heat-resistant Polyamide Ambient temperature(ta):-15 to 40¡æ Casing temperature(tc):Max.85¡æ Power Factor(PF)¡Ã0.55 Constant Power Output Total Harmonic(THD)£¼15£¥ Over Voltage Protection Low Product Temperature Air Humidity(£¥):Min.5£¥ Max.85£¥ SAFETY: EN 61347-1 EN 61000-3-2 EN 55015 EN 61347-2-12 EN 61000-3-3 EN 61547 CERTIFICATIONS: CE ROHS