A person holds a switched-on LED light bulb with a battery compartment in his gloved hand; the LED light bulb operates autonomously from the battery.
Schlüsselwörter
led,
independent,
bulb,
battery,
emergency,
autonomous,
eco,
environmentally friendly,
ecology,
electric,
electricity,
energy,
hand,
home,
to illuminate,
innovation,
isolated,
lamp,
lantern,
light,
plastic,
portable,
power,
saving,
technology,
white
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