Feature 1Prevent Corrosion: Lamp holder shell by high temperature electrostatic spraying, high temperature and corrosion resistance, anti oxidation. 2Professional Design: Built in waterproof rubber circle, using high temperature resistant ceramic wick, threaded copper lamp holder, especially suitable for heating lamps. 3Adjustable Temperature: This porcelain lamp holder can control the brightness of the insulation bulb, to two levels of temperature adjustment. 4E27 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. 5Safe And Durable: Small tee ceramic lamp socket with premium heat insulation and heat dissipation, anti melting, greatly extending the service life.Item Type: Heat Lamp HolderMaterial: Nylon, Copper, CeramicFeatures: Small Tee, Two Level Temperature AdjustmentInterface: E27Function: Waterproof, Heat Insulation, Two Level Temperature AdjustmentDescription: 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 .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 xHeat LampHolder