LED light bulb on energy efficiency chart. Economic concept

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Photo credit: © Piotr Adamowicz / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: bar, bulb, calculate, chart, cost, diagram, e27, economy, efficiency, efficient, electrical, electricity, energy, eu, europe, green, home, label, lamp, led, level, light, lightbulb, power, regulation, save, usage, watt