Usage Tips: Are you looking for a professional, compact fluorescent bulb? Are you in search of a sturdy, reliable accessory that performs multiple functions? Our Double Tube lamp bulb meets your needs and is an excellent lighting choice. Features: - Color: As shown - Material: Plastic, electronic components, glass - Size: 13.50 x 3.50 x 3.50 cm (5.31 x 1.38 x 1.38 in) - Power: 13 W - Light color: White - Energy-efficient design reduces electricity consumption. - 2U plug-and-play tube with 2-pin socket delivers bright, flicker-free lighting for a comfortable environment. - Easy installation and replacement with horizontal socket. - Long lifespan ensures durability and reliability, reducing the need for frequent replacements. - Simple to install and use; resistant to rust and deformation; high strength and long-lasting. Package list: 4 x Fluorescent Light Bulbs