50,000 hrs? 60,000hrs? 10 years? 20 years? What is the real deal?
Typical incandescent bulbs last 1,000 to 2,000 hours; LED retrofit replacements are quoted to last around 25,000 to 50,000 hours.
But why 25,000 or 50,000 hours? This is measured
50,000 hrs? 60,000hrs? 10 years? 20 years? What is the real deal?
Typical incandescent bulbs last 1,000 to 2,000 hours; LED retrofit replacements are quoted to last around 25,000 to 50,000 hours.
But why 25,000 or 50,000 hours? This is measured