white led light gray background illustrate energy efficiency

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A white LED light on a gray background to illustrate energy efficiency Royalty Free Stock Photo
Smart Bulb with WiFi Symbol Royalty Free Stock Photo
   
   
   
   
   
A white LED light on a gray background to illustrate energy efficiency
   
   
   
   
   
   
   
The white LED bulb is placed on a neutral gray background, its opaque cap and metal screw base reflect modern energy-saving technology

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