Light source: 128PCS LEDs Power: 6W Brightness: 570-700LM ( white) 510-640LM( warm) Color temperature: 6000-6500K( white) 3000-3500K( warm) Source life: > 50, 000 hours Material: Aluminum+ PVC Product size: 140* 56MM Each in white box 50PCS/ carton LED energy-saving lamps advantages: Light high efficiency, ultra-energy-saving. Efficiency can reach 80% -90% . Brightness under the same power consumption of only ordinary incandescent 1/ 8-10. There is no ultraviolet and infrared, are typically light green lighting. Strong durability, long life, short response time, non-mercury-free poison-free quality. Applicable to general room lighting and writing can also be widely used in the factory office, workshop, school classrooms, supermarket shopping malls and so on.