The bulb gives both white light and also has a UV Mosquito Killer. The UV attracts mosquitoes and the electric mechanism kills them.  Turn the bulb on/off to change between 3 modes, i.e. - White light only - UV mosquito killer light only

- Both White light and UV mosquito killer lights 

Product Features: 

• UV attracts mosquitoes, insects, bugs • Destroying them quickly and hygienically • Non-toxic since no chemicals are used • No need to clean as the insects will fall right off after they are zapped • Low power consumption since the bulb uses LED technology • Ideal for indoor use, especially in bedrooms, restaurants, kitchens, offices, greenhouses, etc.  • Also usable as a standalone illumination bulb • Environment friendly