The Micro Connectors Raspberry Pi 40-pin GPIO 1 to 2 expansion board is a great way to expand and extend your Raspberry Pi.
Raspberry Pi 40-pin GPIO 1 to 2 expansion
Compatible with all Raspberry Pi models
#1-pin is marked with square shape pad on PCB
Compatible version: Raspberry Pi 1 Model B+, Pi 2 Model B, Pi 3 Model B/B+, Pi Zero/Zero W
Dimensions: 52 x 20.3 x 16.5mm