Features: The fluorescent light bulb Features 135W high output, long life replaceable bulb both for studio and home. 5500K and CRI 90 ultra-bright daylight can provide uniform and natural lighting, professional to use. Spiral designed light can save 80% energy, eco-friendly and durable Features make it perfect for multi-purpose use. Universal E27 socket can meet wide compatibility needs, quick and tight to mount. Perfect light bulb for studio photography, portrait shooting, video making and other occasions. Specifications: Color Temperature: 5500K Power: 135W Item Size: 26 * 7.5cm / 10.24 * 2.95in Net Weight: 182g / 6.42oz Package Size: 27 * 10.5 * 10cm / 10.63 * 4.13 * 3.94in Package Weight: 244g / 8.61oz Packing List: 1 * Spiral Bulb