Metal halogen steam bulb mastercolour cdm tt clear 150w philipsthis metal halogen steam bulb with a ceramic burner and wonderful colour reproduction of ra 90 creates a comfortable atmosphere outdoors the robust bulb for outdoor lighting with cold white light 4200k is suitable for usage in closed lamps with hard glass coversfeatures particularly long life of up to 20 000 hours integrated uv protection very high brightness of 12 000 lm random burning point fitting temperature 250 c