This is a 10w Biax D/E compact fluorescent from GE in a 4000k Cool White colour and G24q-1 cap type. The double turn compact fluorescent lamps are a replacement for incandescent lamps offering a higher efficiency and great energy savings. These types of compact fluorescent is perfect for shallow downlights and are often used in public buildings, offices, shops, supermarkets, hotels, restaurants and around the home. The 4 Pin versions are designed primarily for use with high frequency ballasts or in emergency lighting applications. The 10w Biax D/E boasts a 600 lumen output and a 13000 hours average lifetime. General Characteristics Wattage 10w Pins 4 pins Shape Quad Tube – 2 loops Lamp Base G24q-1 Colour 4000k – Cool White Equiv Wattage 60w Incandescent Lifespan 13000 hours Lumens 600 lumens Length 105mm Diameter 27mm