... warranty 4, lifespan: 50,000 hours 1*1W LED DriverSpecification Model No.HG-LD-1*1W Size 15X12X8mm Power 1*1W Forward ... Environmen is -20~60degree Celsius, body temp. less than 538) LED life span: 30, 000Hours(Edison); 50, 000 Hours(Cree)Applications ... , especially for museums, art galleries, cosmetic counters, and more. 1W LED Driver