Product Description: The shell is made of aluminum die-casting material, after high temperature electrostatic spray treatment, high temperature resistance, corrosion resistance and oxidation resistance. Built-in waterproof rubber ring, high temperature resistant ceramic wick, full screw copper lamp socket, especially suitable for breeding heating and heat preservation lamps, which can increase the service life of the bulb. Name: E27 Heating lamp socket & power cord switch Interface specifications: E27 Shell material: Aluminum die-casting Internal material: Ceramic + copper Color: Gray / Black Voltage: 220-240V Heat resistance temperature: 500 Power cord switch length: About 140cm Use: farming, industrial lighting and heating. Product use: Use of E27 screw light sources such as heat preservation lamps and LED bulbs Package Included: ( 3 Type for choose ) -1 Pc x E27 Spiral Light Socket -1 Pc x Power cord switch -1 Pc x E27 Spiral Light Socket + 1 Pc x Power cord switch Note: Please allow 1-3mm errors due to manual measurement. Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same. _x000D_