Specificaton:100% brand new and high quality!Compatible with10W Round Shape High Power LED Lamp, COB LEDs etc.A widespread use of reflective glass class DIY boutique.Specifications:Beam Angle: 90 degree.Light transmittance: 98%.Material: Optical Glass.Optical glass lens parameters:Outer diameter: 44mm.Height: 11mm.Bottom thickness: 3mm.Reflector cup parameters:Diameter : 50mm.Height : 19mm.The lower caliber Diameter : 22mm.Viewing angle: 90 degrees.Fixed bracket parameters:Diameter:52mm.Height:7mm.Package Include:1pcs 44mm Glass Lens1pcs 50mm Reflector cup1pcs fixed bracket