1.Specifications Model : hysd-12*1w-rb Input voltage: ac85~265v Working current: 500ma Power :12 watt Lamp base: e27 Lumens: 520lm Housing color: white Weight: 0.33kg/pc Size: 12.4x14cm Packing size:13*13*15cm 2.Advantages 1)ultra bright, 4 best spectrums for plant growing 2)suitable for all stages of plant growth, flowering and fruiting 3)less heat, more growth 4)high efficiency, long service life 50, 000 hours