HOBO U30 data loggers enable real-time, remote access to your data via cellular, Wi-Fi, or Ethernet communications, with a direct USB option also available. They can be configured with a wide range of external sensors for measuring weather conditions outdoors, and energy, power, and environmental conditions indoors. These U30 data logging systems have been designed with an industrial-grade and double-weatherproof enclosure to ensure years of reliable operation in a variety of indoor and outdoor environments.