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Feature
Details for the lens; Diameter: 44mm,Compatible with 10-100W led chip.Angle: 60 degree.
Material: optical Aspherical glasses
Temperature: -30-120C,Light transmittance: 98%
2 years warranty. 60 days money back guarantee by ER Chen.
Description
Description for the base:Diameter: 50mm
height 11mm
Angle: approx. 60 degree