TEK LIGHTING TECHNOLOGY CO.,LTD

TEK's corn LED replace bulb special designed to replacement HID lamps.Simply screw the LED corn lamp into the existing fixture. Low-cost operation, use 70% less energy, provide similar light output 16000lumens. Low-Cost Operation,  120W LED corn lamp of total system energy 130 Watts, but 400W HID lamp system power consumption upto 460 watts(400W lamp and 60W ballast) , Months to reach return on investment within 3 months.For example: Simple upgrade, do not need to change existing fixture,medium standard screw-type and Mogul standard screw-type E26/E27/E39/EX39/E40. Do not work on reactor or electronic ballast, just bypass the ballast before installation. Excellent color rendering, Ra>80, lumen output more than 120lm/Watt, CRI70 with a higher efficiency available for your choice. Long Life, 50,000Hrs RATED life, lasts 2.5X longer than HID bulb Color temperature, available in Warm White:3000-3500K, Nature White:4000-4500K,Day White:5000-5500K,Cool White:6000K-6...

Not all large lighting brands LED bulb are of high quality. Hong Kong Consumer Council and Electrical and Mechanical Services Department (EMSC) found large disparities in energy efficiency and lifetime performances in 10 types of LED bulbs, among these included products from leading lighting brands. Differences in LED bulb efficacy reached 100%, while one sample burned out and lumen depreciation in certain products occurred at 10% mark of the product’s lifetime. A couple other products failed to pass safety tests. Consumers were advised by the council to choose LED products cautiously. The council found Panasonic, Ledus, LKKM, Sunshine and IKEA bulbs luminous depreciation declined more than 5% after 3,000 hours of operation, and failed to meet EMSD voluntary energy efficacy label demands, according to a Wenwei Po report. Out of these, Hong Kong LED manufacturer, Sunshine’s, average luminous depreciation reached 30%, about 90% below the advocated 30,000 hour lifespan. The company’s pr...