Model : 150W Ballast for Sodium Lamp (150W Metal Halide/ Son Choke) Brand : ASL (Amat Sinar) Full Range Accessories For Electrical Wiring Work & Component Protection For Electrical Wiring Easy to Install Type : 150W Son Ballast Color : White Installation During the Process of Construction, Electrical Equipment & Electrical Component Easy To Equip, Long Life & For Use Protection Against Impact At All Temperatures Lighting Solutions Service : Lighting & Circuitry Design Luminous Efficacy (lm/w) : 0 Weight (kg) : 0.2 Style : Magnetic Power Factor Compensation : Without Input Voltage (V) : AC 220V (±10%) Matched Tube : HPS/ MH/ CMH Application : HID Lamp Power : 150W Power Factor : 0.5 Input Frequency : 50Hz~60Hz Function : Control Ballast PF : 0.65 Strong & Durable Finishing : Matte Color Suitable for Home, Office, Factory etc.