This T45 4W LED spiral funky filament lamp has a retro style light bulb shape suitable for many applications. It is ideal for use as a high-quality decorative light in bars hotels and restaurants whilst it can also create a funky edge in retail and commercial environments and also in and around the home. Perfect for use in festoon and is a stunning addition to weddings festivals and other events. Non-dimmable 4W Edison screw base (E27) Glass envelope Instant full light Average life 25000 hours Switching cycles >13000 100~240V 50/60Hz