The Extech 407764 Sound Level Datalogger features a 4-digit LCD Display with 0.1dB resolution for quick and easy use. The built-in recorder stores up to 128,000 readings and features a Max Hold function. The time and date are logged with data and can be transferred to a PC using the RS-232 interface and included software. This datalogger is ideal for field use since it includes a tripod mount. Scroll down to see more 407764 datalogging sound level meter features and specifications.