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twowheels · 11-20-2012, 02:19 AM

Perhaps they're concerned about the 17 - 68 year MTBF rating on the LED (assuming typical MTBF and 4 hours per day reading) or 3 - 11 years if it were to run 24 hours per day, using the typical range of MTBF ratings for an LED. :-)

11-20-2012, 02:19 AM	#19
twowheels Wizard Posts: 1,786 Karma: 13412766 Join Date: Nov 2010 Device: Kobo Clara HD, iPad Pro 10", iPhone 15 Pro	Perhaps they're concerned about the 17 - 68 year MTBF rating on the LED (assuming typical MTBF and 4 hours per day reading) or 3 - 11 years if it were to run 24 hours per day, using the typical range of MTBF ratings for an LED. :-)