Heat, fire and aging This product is a gauge between the E27 lamp holder and the EU plug adapter, the lamp holder can be rotated 360 degrees, comes with a switch Energy-saving lamps are widely used in aging lamps, testing lines, aging stations, and detection lamp base stations in various lighting fixture manufacturers. Suitable for home use. The connector can be easily installed from both sides. Two mounting holes are provided. For industrial sites, bulkheads. Easy to install and use safe Specification: Voltage: AC220-230V Plug: European regulations Material: Flame Retardant PBT color: White Specifications: 100 percent brand new, high quality Heat, fire and aging This product is a gauge between the E27 lamp holder and the EU plug adapter, the lamp holder can be rotated 360 degrees, comes with a switch Energy-saving lamps are widely used in aging lamps, testing lines, aging stations, and detection lamp base stations in various lighting fixture manufacturers. Suitable for home use. The connector can be easily installed from both sides. Two mounting holes are provided. For industrial sites, bulkheads. Easy to install and use safe Package Included: 1x E27 Lamp Holder Notes: Due to the difference between different monitors, the pictures may not reflect the actual color of the item. Compare the detail sizes with yours, please allow 1-3cm error, due to manual measurement. Please leaving a message before you give the bad feedback, if the products have some problems. Thanks for your understandings.