... transmission up to 90% with good lighting diffusion7. high productive, lower cost and more "Eco"8. No RF interference, no buzzing noise ... LED bulb lightenergy saving lamp Bulbs Incandescent BulbsPower consumption(W)5W 9W 40W Voltage(V)AC85-265V110,120,127,210 or ... an LED SystemConvection- and Conduction Limited Situation LED lamp light 5W high power with 50000hrs lifetime