RGB LED Shield Kit For Arduino UNO or MEGA. This is unassembled version, SOLDERING REQUIRED. Features: Control 3 dimmer channels (1 x RGB or 3 single channels) For Arduino UNO R3 or Arduino MEGA R3. Screw terminals for led strip connection. With cascade connectors for other shields Specifications: Power supply: external power, DC. Max. current: 3Amp / channel. Input voltage: 5 ~ 80VDC. Dimensions: 68.8 x 53.5mm / 2.71 x 2.11 inch. Datasheet: https://www.czh-labs.com/tmp/madeimg/datasheet/d-271.pdf