①. E27 to E40 adapter converter, which can enlarge the light bulb socket, allowing for quick and easy conversion from E27 medium screw socket to E40 socket. ②. Made of thermoplastic polymer (PBT) fireproof plastic and aluminium material, with a solid construction, no fire hazard, and high temperature heat resistance. ③. Compact size and light weight, widely suitable for E27 socket lighting fixtures and E40 base LED/halogen/CFL light bulbs. ④. Easy to install and plug and play, no tools needed, saving a lot of trouble and money on replacing original lighting fixtures. ⑤. Suitable for home and office lighting, shopping mall lighting, display case lighting, art lighting, light boxes, board lighting, commercial lighting, and industrial lighting. ⑥. Material: PBT+Metal; Color: white; Heat-resistant temperature: 120; Rate Voltage: 220~230V; Size: (Approx) 8 x 4.5 inch/3.2 x 1.8 cm. ⑦. Package Included: 1 PC x E27 to E40 Adapter. ⑧. Note: 1. Due to light and screen differences, the item's color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement.