An LED bulb emits a very bright and clear light, while generating no heat. On this light bulb you'll find a G13 socket.
Conrad Electronic
Philips Lighting LED (monochrome) EEC: C (A - G) G13 Tube shape T8 CB, LLB 23 W Neutral white (Ø x L) 28 mm x 1513 mm 1 pc(s)