... T10 4.CE,ROHS,UL new energy saving led lighting lamp 1.Parameters of ... latest lighting technology which has high-effect energy conservation, low-power consumption, high ... bulbs. (4) Long time working, 16 hours/day is perfect, produce low heat. (5) No ... 7) Working environment -20°C~65°C, suitable for unusual climate.(8) Lower maintenance cost. (9) These lamps are high brighting ,energy saving ...