... more than 80% lifetime over 8,000 hours.2.Electronic ballast adopt advance SMT technology, reliable function and with long life3 ... .The fixture made by high grade aluminium, firmly and durable, well ornamental and rotproof.4.The lamp holder adopt with revolving ... cove configuration, and made by VO grade ABS materials, well ABS resistance, meet the requirement of safety regulation, EMC/EMI ...