LED G4 bulb replacement in 12V and 24V is the perfect replacement to your existing 20W halogen G4 bulb. This model is omni directional and will illuminate the same way the halogen bulb does. The LED G4 Omni Directional Bulb will put out about 200 Lumens, yet only using about 1.4W of energy compared to 20W for the halogen. These also have no heat or UV. Fully dimmable using most standard low voltage dimmer. Also this new LED G4 bulb is waterproof.