This is a small form factor PCB that includes three of the most popular sensors of the makers/hackers community. The SHT10 (temperature and humidity), the MPU6050 (3-axis gyroscope, 3-axis accelerometer, temperature) and the BMP180 (pressure and temperature). All of them are connected together via the easy to use I2C bus. On the PCB you will find a clear indication for the voltage range, the sensor name for quick searching, the read and write I2C addresses together with the pin out labeling. On top of those, a graphic representation of the sensor measuring values gives a better understanding of what you should expect as an output.

Using the onboard low dropout regulator (an LDO made by Microchip) the module can work under a wide operating voltage range - from 3V all the way up to 6V!

For more info about this sensor module and more have a look here: http://embeddedday.com/projects/sensor-stick/