1, High quality SMD5050 LEDs applied. 2, Light efficacy: >90lm/w.. 3, Power factor: 0.95. Specification:1.LED type:20*SMD50502.Brightness degradation: 5%/1kh3.Material:Aluminum4.Working temperature: -20~50°C5.Working environment: indoor use6.Lifespan: 40000+ hours7.Certification: CE and RoHS8.Warranty: 3 years Model No.Electrical DataOptical DataPhysical DataInput Voltage(V)Power(W)Lumen(lm)Beam ...