Vktech 2 Red Blue 60 LED Bulb Energy Saving Hydroponic Plant Grow Light Lamp Set New Bulb Holder: E27 free solder ordinary ribtop Suitable Space: within the space about 1 generally Dimension: 6.3cm(D)*6.5cm(H), tapered Long service life(up to 50,000 hours) Package included:2 x LED Bulb Light