That depends on the particular LED with Built-In Timer bulb as said bulb comes in three sizes.
The LED with Built-In Timer PAR20 and LED with Built-In Timer PAR30 cannot be used outdoors.
The LED with Built-In Timer PAR38 can be used outdoors.
That depends on the particular LED with Built-In Timer bulb as said bulb comes in three sizes.
The LED with Built-In Timer PAR20 and LED with Built-In Timer PAR30 cannot be used outdoors.
The LED with Built-In Timer PAR38 can be used outdoors.