Usage Tips:Features:This product offers good quality, long life, and high luminous efficiency with significant energy savings. It provides a natural light color and uses a pure tricolor phosphor tube.High-quality three-color phosphor ensures high brightness and increased light output.The light is soft and comfortable, reducing eye fatigue during prolonged use, helping to improve work efficiency.The lamp design features a small light source with protective rings fitted on the inner electrodes at both ends, effectively reducing electrode sputtering and blackening, thereby extending lamp life.Suitable for ceiling fixtures, ideal for home lighting or public area lighting.2D Tube Parameters:Lamp holder: Four-pinRated voltage: 220VRated power: 10W, 16W, 21W, 28W, 38WLife: 6000 hours