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
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.