1, Manufacturer 2, CE and Rohs Certificate 3, 2 years warranty 4, lifespan: 50,000 hours 1*3W ... Forward Current 700mA Input Voltage AC90~270V Output Voltage 3.2~3.6V 3.2~3.6V 3.2~3.6V Efficiency 70% Applications GU, B22, E27Features:1)80 ... than incandescent lights2)No UV,No RF radiation,No flickering 3)Low energy consumption4)No mercury or hazardous materials and environment ...