The OSRAM T5 L8W/535 Basic Tube is a 288mm long, 8w energy-efficient light bulb that produces a bright basic white light at 380 lumens. With an energy efficiency rating of B, this bulb is ideal for lighting up any room with a compact and sleek tube shape. Whether used for home, furniture, or DIY projects, these OSRAM bulbs are reliable and efficient, making them a practical choice for any lighting needs.