Features: Ideal for applications where high temperatures may be generated, such as industrial sites, bulkheads, high power lamps, as in factories/warehouses and reptiles in turtle vivarium and tables, egg incubation, cabinets, etc. They are particularly suitable for applications where high temperatures, a high-power bulb or operation in a confined space can be produced. The holes are provided for two mounting screws or using the supplied mounting bracket (screws not included). Specifications:Material: PlasticColor: White/Black Socket Type: E27Rated Current: 4A Rated Voltage: 250V Measurement: 5.8x5.8cm/2.28x2.28" (DxH)Center Hole Diameter: 1cm/0.39inchQuantity: 1PcNote:Please allow 1-3mm error due to manual measurement. Pls make sure you do not mind before you make a bid, due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! No Retail Package Package Content: 1 x Bulb Holder