The LSM303DLH is a triple axis accelerometer combined with a triple axis magnetic sensor. This breakout board uses the LSM303DLH to give a you the data you need to feed into a microcontroller and calculate tilt-compensated output.
This version of the board has added circuitry to address concerns about voltage translation on the SDA and SCL pins.
More information at SparkFun
This product has been discontinued at SparkFun.