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On the positive side, standard metal halide offers high lumens per watt,, and fairly long life, both of which are important to building operators.
We ran the projector both in Eco mode, which is quieter, but only offers 800 lumens of output, and standard mode, which runs the fan at higher RPMs and pumps the light output to 1000 lumens .
Today's lamps provide more lumens per watt than older ones, and the fixtures have been redesigned to more effectively use this light.
For consumers who want higher lumens , manufacturers offer tactical lights utilizing Xenon or Halogen gas-filled bulbs with tungsten filaments.
What we can buy is a compact fluorescent bulb that only uses 20 watts of electricity and produces 1,000 lumens , the same as a 100-watt light bulb.
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