This driver board gives your micro-bit the ability to drive two channel DC motors and three channel servos. It's an ideal choice to DIY mobile robots. micro-bit edge connector, directly pluggable. 2 x DC motor interfaces, 3 x servo interfaces. Integrates 5V regulator, up to 3A output current, can be powered from battery through VIN terminal. Onboard multi connector options for DC motors in different specifications, onboard standard servo headers. Power supply: 6V-12V (VIN terminal) Servo voltage: 5V Logic voltage: 3.3V Driver: TB6612FNG Dimension: 65mm x 36mm Mounting hole size: 3.0mm Colour:As Shown Material:Plastic Package Contents: 1 * Driver Breakout Board(NOT include for ) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.