An LED bulb emits a very bright and clear light, while generating no heat. If you have dimmer switches in your home, you can use bulbs such as this one.
Conrad Electronic
Philips 30726100 LED (monochrome) EEC F (A - G) GU5.3 5.8 W Neutral white (Ø x L) 51 mm x 46 mm 1 pc(s)