After 1 week of use, the light bulb while it was on for about 15 minutes, suddenly grilled by flashing which caused a general power failure thanks to the breaker. When I unscrewed it could smell burnt. I asked for a refund Amazon 6 February 2015, I expect the decision of the seller. What worries me is that I have another bulb "the same" kid in my room that works well for now, I will redeem for two other newly arrived but I hesitate to put them.