The HMT140 wireless logger from Vaisala monitors compliant storage and production environments and connects easily to a user's existing WiFi network. The logger is a simple solution for monitoring temperature, humidity, and other critical parameters, and can be used with viewLinc 4.1 continuous monitoring software. The product has fully interchangeable fixed or remote temperature probes and battery power for 18 months or longer when using an external power source. The HMT140 is easy to mount and simple to relocate, and the enclosure is IP65-rated, with or without LCD display.