VU-Data-Logger-RVFM-2300PK-3-built-in-sensors-Sound-Light-&-Temperature-plus-an-expansion-socket-for-adding-further-sensors-P-P-The-datalogger-connects-to-a-computer-is-via-USB (Universal Serial Bus)-enabling-you-to-see-&-capture-sensor-readings-wherever-you-are-With-its-easy-to-use-menu-&-just-four-buttons-this-clever-box-of-tricks-makes-data-logging-child-s-play-P-P-Capturing-data-from-an-experiment-has-never-been-easier-simply-start-Easy Log-recording-&-data-from-all-of-the-sensors-is-recorde