Introducing the Bayonet Cap version of the Baby Plumen Energy Saving Light Bulb; a more compact model of the Original 001 Plumen measuring 158mm x 74mm x 70mm. As a single lamp or in clusters, the Baby Plumen 001 has all the character of the Original whilst saving you 80% on your energy bills and lasting 8 times longer than a standard incandescent bulb. This non-dimmable 11 Watt (40W equivalent) Very Warm White Lamp offers luminous flux of 505 Lumen and warms up in less than 30 seconds.