The LIS331HH is an ultra low-power high performance high full-scale 3-axis Linear Accelerometer belonging to the nano family, with digital I2C/SPI serial interface standard output. The device features ultra low-power operational modes that allow advanced power saving and smart sleep to wake-up functions. The device contains 2 independent interrupt engines able to recognize dedicated inertial events. Thresholds and timing of interrupt generators are programmable by the end user on the fly.