Product DescriptionSpecification: Wiichuck is a breakout board for Wii-Nunchuck. Use this shield to achieve communication between nunchuck with for Arduino without broking the controller for Wii Nunchuck. It is grate for DIY projects. Dimensions: 1.02 in x 0.47 in x 0.28 in (2.6 cm x 1.2 cm x 0.7 cm) Package includes: 1 x Adapter Module