Power: 4W Light source: Sanan Lamp base: E14 Beam angle: 280° Input voltage: 100 to 260V AC Lifespan: 50,000 hours Luminous flux: 380 to 450m Working frequency: 50/60Hz Luminous efficiency: 95 to 115lm/W Working temperature: -40 to 50°C Working humidity range: 10 to 85% RH Lampshade: glass Color temperature: 3,000 to 7,000K Size: Ø35x122mm