... lifespan: 50,000 hours 1*3W LED DriverSpecification Model No. HG-LD-1*3W Size 26X17X17mm Power 1*3W Forward Current 700mA Input ... .6V Efficiency 70% Applications GU, B22, E27Features:1)80~90% energy saving than incandescent lights2)No ... -20~60degree Celsius, body temp. less than 538) LED life span: 30, 000Hours(Edison); 50, 000 Hours ... museums, art galleries, cosmetic counters, and more. 3W LED Driver