A. Are you looking for a professional, yet reasonable compact fluorescent bulb? Are you in search of a sturdy, trustworthy accessory that can do multiple jobs at once? If yes, look no further! Our Double Tube lamp bulb may meet your needs, this light bulb is one of the great choices for you. B. Color: As Shown C. Material: Plastic, electronic component, glass D. Size: 13.50X3.50X3.50cm/5.31X1.38X1.38in E. Power: 13W F. Light color: white G. This energy-efficient design is specifically created to reduce electricity consumption, making it a great lighting solution. H. The 2u plug-and-play tube with a 2-pin socket provides bright and comfortable lighting without any flickering, ensuring a pleasant and productive environment. I. The easy installation and replacement process of this plug-and-play tube with a horizontal socket makes it a convenient lighting option. J. With a long lifespan, this energy-saving tube ensures durability and reliability, reducing the need for frequent replacements and maintenance. K. Easy to install and simple to use, not easy to rust and deform, high strength, excellent and durable. L. Package list: 4 x Fluorescent Light Bulbs