... 4, lifespan: 50,000 hours 5*1W LED DriverSpecification Model No. HG-LC-5*1W Size 18X18X12mm Power 5*1W Forward Current 680mA Input ... 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. 5W LED Driver