A 6-V battery powers a circuit with parallel branches on a board. Several wires and light bulbs plug into the board to make various series and parallel circuits. The brightness of the bulbs changes ...

The Cree Lighting 6 in TW Series 65W Equivalent Dimmable Retrofit ... Claimed life: Claimed life is how many years the manufacturer says the bulb will last based on 3 hours of use per day.