The HAVELLS MH400/C/BU/PS/ED28 4000K Light Bulb is a high-quality, energy-efficient bulb designed for home and garden lighting. With a wattage of 4W and an ED37 bulb shape code, this light bulb offers bright and reliable illumination. The model C by HAVELLS ensures a consistent and long-lasting performance, making it an ideal choice for various lighting applications.