Osram HQI-TS Excel. 150W D 5600K, Metal Halide Lamp, HQI-TS Excellence D 150 W, For RX7s base, Colour temperature 5600K (D-), Ignition voltage: 95 V, Length: 135 mm, Diameter: 23 mm, Light current: 13,500 lm, Average operation life: 12000 h@+*Special lamp: *@+@+•This lamp is intended for use in stage and theatre area. @+•This light bulb is not suitable for room lighting in households.