Three different light bulbs and notebook with energy efficiency label

---

Size: 4500px × 3000px
Photo credit: © graja / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: appliances, bulb, category, certificate, classes, classification, concept, consumption, copy-space, eco, ecological, ecology, efficiency, efficient, electric, electrical, electricity, energy, energy-saving, environment, environmental, kwh, labelling, lamp, light, lightbulb, notebook, power, protection, range, rating, scale