G E LIGHTING 12377 GE Metal Halide Light Bulb, 70W Ideal for general purpose Lighting commonly used for residential and commercial applications Average life: 15000 hours Color Temp: 3200 kelvin Color rendering index: 70 It is GE MXR70/U/MEd/O 70W Metal Halide Light Bulb Ed17 Bulb Shape Medium Base 5 500 Lumens 5 43" Length 12 000 Hours Rated 3 200 Kelvin Color Temperature CRI=70 Requires Separate Ballast Boxed