Description Raspberry Pi 400 GPIO Expansion Board Offers a Raspberry Pi 400 GPIO header adapter/header expansion Provides 2x20-Pin header The Raspberry Pi 400 GPIO Expansion Board offers a Raspberry Pi 400 GPIO header adapter/header expansion. It provides a 2x20-Pin header. View more What's Included 1x Raspberry Pi 400 GPIO Expansion Board Dimensions Size 56 x 40 mm / 5.5 x 4.8 cm (L x W) Specifications Weight: 18 g