This expansion module is designed to work only with the Zipabox. It should not be dropped, shaken, or exposed to extreme temperatures or humidity as this can damage internal components. The module has a 3500 mAh battery, operates from -10 to 40 degrees Celsius, and has dimensions of 55x87x46mm. It consists of the expansion module and optional GSM stick. The module connects to Zipabox and powers it when disconnected from the main power supply.