QUALITY MATERIAL: The shell of this E27 to E27 twin light socket adapter is made of flame-retardant material and is insulated. Copper contactor, strong conductivity and excellent connection. ONE-TO-TWO DESIGN: This conversion lamp head adopts 2 in 1 design, which can convert one E27 screw port into two E27 screw ports. This light socket splitter 2 in 1 is very practical. SIMPLE AND EASY TO USE: This dual light socket is easy to install. You only need to screw it into the E27 screw. It does not require any professional tools or skills. This light bulb socket splitter one to two is very convenient. MULTI-FUNCTION USE: This dual light socket adapter works with standard E27 base LED bulbs and energy-saving light bulbs. This garage light bulb splitter can also be used in garages, workshops, basements, studios, warehouses, gyms, and more. Color: As Shown Material: plastic Package Contents: 2 x Light Socket Splitter