This 4W retro-fit Integral LED Classic Globe (GLS) (large screw base) delivers a dimmable, warm light and brightness, similar to a 40W filament bulb. It features high output LEDs and an anti-glare refractor. Ideal for low level light areas such as hallway, bedrooms, cupboards or where light is always on. · · · E27 Bulb Base · · Aluminium and Plastic heat-sink, Injection moulded diffuser Construction · · Frosted Finish · · 470 Luminous Flux in Lumens (lm) · · 2700K – Warm Colour Temperature · · 240 Beam Angle · · Material: Plastic, Polycarbonate · · Bulb Base: E27 · · Colour Temperature: 2700K – Warm · · Colour Rendering Index (CRI): 80