Buying a light bulb can be complicated. If you don't take the time to figure out what type of bulb you need, it may not match the color of the other bulbs in the room or even work in your fixture.

Roku's A19-shaped LED bulb has a standard E26 screw-in base. It measures 5.0 inches long by 2.5 inches wide and can display 16 million colors. The dimmable light has a brightness range between 30 and ...