Locus Originis: Guangdong, Sina Nomen Marcae: Shinland Materia: PC Forma: Rotunda Stylus: Lens PC Optica Color: Involucrum Aluminii Vacui Diameter:Φ:20.0mm A:15.0mm Φ:4.0mm Angulus: 22°, 36°, 50° Applicatio: Lumina LED Certificatio: ROHS, UL Involucrum: Involucrum pulveris et ictui resistens, involucrum ferculi