This plug-in lamp holder is designed for aging tests and showcases fluorescent tubes. Its sleek and sturdy construction ensures durability and reliability. Ideal for both professional and personal use, it provides a secure and stable base for your tubes, making it perfect for testing, displaying, or replacing lighting fixtures in various settings. Features -Color:White -Material: -Size:3.50X2.90X1.90cm/1.38X1.14X0.75in -Durability testing: designed for rigorous aging tests, this light fixture ensures longterm stability and reduces maintenance frequency for commercial and industrial lighting systems -Quick plugin design: plugin feature allows for fast installation and replacement, enhancing efficiency in production lines and repair scenarios -Display rack functionality: integrated display rack showcases the status of fluorescent tubes, aiding inventory management and simplifying customer selection processes - compatibility: compatible with various fluorescent tube specifications, this meets diverse lighting needs across multiple environments -Wide application range: ideal for use in commercial and industrial settings, this product supports versatile lighting for different operational requirements Package list: 10 x lamp holders