50W E39 Mogul Base LED Retrofit designed for Shoe Box/ Wall Pack/Roadway HID fixtures. Metal Halide Ballast Compatible product is compatible with most pulse and probe start magnetic ballasts. Compact design will fit into most HID fixtures without modifying existing reflector. Type V, general distribution optics only. 50W LED model can replace up to a 175W or 250W MH/HPS lamp. 50,000 hour rated LED life. Available in Daylight DL (5700K) and Cool White CW (4000K).