Features 1、Prevent Corrosion: Lamp holder shell by high temperature electrostatic spraying, high temperature and corrosion resistance, anti oxidation. 2、Professional Design: Built in waterproof rubber circle, using high temperature resistant ceramic wick, threaded copper lamp holder, especially suitable for heating lamps. 3、Adjustable Temperature: This porcelain lamp holder can control the brightness of the insulation bulb, to two levels of temperature adjustment. 4、E27 Interface: Heat lamp holder for E27 interface, easy to install, size standard, to ensure a stable connection does not fall off, the use of more secure and stable. 5、Safe And Durable: Small tee ceramic lamp socket with premium heat insulation and heat dissipation, anti melting, greatly extending the service life. Specifications Item Type: Heat Lamp Holder Material: Nylon, Copper, Ceramic Features: Small Tee, Two Level Temperature Adjustment Interface: E27 Function: Waterproof, Heat Insulation, Two Level Temperature Adjustment Description: Can adjust the temperature of the bulb lower, (such as high temperature bulbs in winter to lower the temperature) Gross Weight: Approx. 130g/4.6oz Package List 1 x Heat Lamp Holder