The R7 78 mm Halogen Tungsten linear fitting Tube is suitable for use in up-lighters, projectors, safety lighting, etc. It can be used indoors or outdoors, ideally in closed fittings. The new generation of "Eco-halogen bulb uses 20% less Eenery than a standard halogen bulb. The ampoules are suitable for use on a drive and have a color temperature of 2,900 kelvins (hot white). The bulbs are designed to last two years (based on the average use of 2.7 hours a day), with a switching cycle of 8000 on / counterpartiesThis bulb, which produces the same 2250 luminous lumens that a bulb 150 but only from 120 W