Extech-USB (Universal Serial Bus)-Humidity-Temperature-Pressure-Data-Logger-with-Windows-Software-EXTECH-RHT50-The-Extech-RHT50-USB (Universal Serial Bus)-humidity-temperature-pressure-data-logger-logs-up-to-10-000-samples-at-a-user-programmable-sample-rate-It-can-monitor-humidity-temperature-&-air-pressure-in-clean-rooms-warehouses-storage-rooms-freezers-shipping-vans-&-water-damage-restoration-The-RHT50-s-USB (Universal Serial Bus)-connector-easily-plugs-into-a-computer-for-data-analysis-&-setup-using-the-supplied-Windows-software-Also-sup