The board takes power from a USB port and the light can be turned on / off with the on board switch.

It is also available in a white version.

This kit contains:

1 x USB power cable, 1m

1 x right angle power switch

1 x colour changing (rainbow) LED

1 x zero ohm resistor

1 x USB lamp PCB

PCB dimensions: 44mm x 16.5mm.

Physical characteristics:

• PCB Length: 44mm.
• PCB Width: 16mm.
• PCB Component Count: 4.

Electrical characteristics:

• Voltage Nominal: 5V.
• Voltage Range: 4V - 5.5V.
• Current Max at Nominal Voltage: 67mA.