strobe

hello .. I need advice .. I want to buy a strobe for my home room .. I decide to disappear with these two .. http://www.disco-shop.cz/disco/eshop/19-1-stroboscopes/79- 2-Strobes / 5/5546-Strobes-25W-continuous-regulation-1-10-flash-sec http://www.disco-shop.cz/disco/eshop/19-1-strobes/77-2-LED -Strobes / 5/5590-LED-strobe-white-3W is 25W better? do not indicate if there are LEDs or diode or not .. is it better with diodes .. why LEDs last longer? .. please advise .. thank you very much :)
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