1, High quality SMD5050 LEDs applied. 2, Light efficacy: >90lm/w.. 3, Power factor: 0.95. Specification:1.LED ... : 40000+ hours7.Certification: CE and RoHS8.Warranty: 3 years Model No.Electrical DataOptical DataPhysical DataInput Voltage(V) ... good quality and friendly- enviroment" policy with high responsibility .3) Enterprisetarget:Revitalization of Enterprice, enhance efficiency, improve staff quality ...