... longer lifespan, factory-direct-sale priced. Specifications: 1. Basic parameter Basic Material: SMD 3014 LED, aluminum PCB, aluminum-alloy ... 2mDiameter of the tube: 26mm LED lifespan: 50000 hours. 2. Electrical parameter Wattage: 18W Power supply: Embedded, AC85V- 265V Current: 30mA ... / LED Power factor: 0.95 3. Optical parameter Color Temperature: Cold white (6500K) pure white(4000K) warm ...