led wall light brightness effect,cool light source,low thermal ... dazzle,no harm to eyes Features and Advantages: The LED lamps can replace the traditional fixtures directly, and ... harmful eyes and health etc advantages,these advantages make LED lighting will be a favourable light source market ... of Power Conversion85%Power Factor: 0.95 Optical Parameters: LED Chip: Cree or Heliso Crew Beam Angle: 30° ...