Topco Energy Saving System Corp. (TESS), the Taiwan-based LED lighting supplier, announced the latest LED bulb on Feb. 17th. Within the new range you can find the 6W/7W/7.5W LED bulbs to replace 40W/50W/60W incandescent lamp. The best luminance output could reach 80 lm/w. The LED bulb of TESS is shock-proof and mercury-free. The long lifespan and excellent luminance helps you save the money from electricity bill. All these advantages are far superior than you can find of Compact Fluorescent Lamp (CFL).