LED bulb 4W 532Lm E27 4000K natural light The LEDISONE-2 series LED FILAMENT BULBS with glass and aluminum body have a lighting performance of 532 Lm and a lifespan of 25,000 hours. This 4W model includes 4,000 K (NATURAL WHITE) LEDs and an E27 socket with a 360° lighting angle. Characteristics Brand name Vito EAN code 6970233836582 Supplier code 1514560 Temperature (KELVIN) 4000K (Natural White) Power (W) 4.0 Luminous efficiency 133 Lighting angle 360° CRI 80 Power factor 0.5 IP Protection IP20 ON/OFF 30000 Nominal duration (H) 25000 Voltage (V) 220V-50/60Hz Energy saving (%) 90% Energy efficiency class  E Electrical protection Class II Body material Glass & Aluminum Diffuser material Glass Color Transparent Dimensions (mm) Ø45x75mm Temperature (Ta) -20°C +40°C Attack E27 Light bulb shape G45 Lumen (Lm) 532