The Philips Alto Compact Fluorescent Lamp is a high-quality lighting solution perfect for indoor use. With a 13W bulb wattage and energy-saving feature, this 10-pack of lamps offer a bright light output of 825 lumens. Designed with a 2-pin connector and a PL-S bulb shape, these lamps have a long bulb life of 10,000 hours. Made in Poland, this compact fluorescent lamp is a reliable and efficient choice for illuminating your living space.