Feature: 1. Premium Shell: The shell is made of aluminum die casting material, which is treated by high temperature electrostatic spraying, which is resistant to high temperature, corrosion and oxidation. 2. Waterproof: Built in waterproof rubber rings, the heat lamp holder is waterproof and anti melting, and has excellent performance. 3. Uses: High temperature resistant ceramic wick, fully threaded copper lamp holder, especially suitable for heating heating lamps. 4. Function: Control the brightness of the insulation bulb, adjust the temperature of the insulation bulb. 5. E27 Interface: The heating lamp holder has E27 interface, easy to install, convenient and quick to use. Specification: .Item Type: Heat Lamp Holder Material: Aluminum, Copper, Ceramic, Wire Interface: E27 (delivery Without Light Source) Function: Waterproof, Heat Insulation to Adjust the Temperature of the Heat Bulb Plug: CN Plug 220V Weight: Approx. 220g / 7.8oz Package List: 1 x Heat Lamp Holder