Adafruit Ultimate GPS Logger Shield with GPS Module for Arduino wireless tx It is designed to measure

It is designed to measure vibration

Clear number display: Great for timers

You could choose from WiFi

With this module

battery packs

Adafruit Ultimate GPS Logger Shield with GPS Module for Arduino wireless tx It is designed to measureAdafruit Ultimate GPS Logger Shield Includes GPS Module is an official Adafruit product available from Circuitrocks, an official distributor of Adafruit. An Arduino format GPS shield with integrated Ultimate GPS module and SD logging support. Why choose this Adafruit board or module? GPS and datalogging in one shield Works with Arduino shaped boards using SPI and UART Good for route logging and location aware projects What you can build GPS data