Liquid cooled LED light bulb

Eternaleds HydraLux-4 LED Bulb

The maker is selling this for $35.00 each.  In their calculations they are assuming an electricity cost of $.15 per hour (which is high).

Features:

  • Uses 4W to output comparable light to a 25W incandescent A-Shape bulb
  • Saves on average $13.96 per year*
  • Costs $1.75 to run per year*
  • Saves $157.00 over lifetime in bulb and electricity costs*
  • Lasts 35,000 hours or 35x longer than incandescent bulbs
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