WSN wireless sensor network
This device's battery has a three-year useful time. Thus the users don't have to worry about having to replace the batteries shortly after purchase. Other key features are such as four analog input channels. The device also supports thermocouple type T, K, N, B, E, J, R and S. There are also four I/O channels that are digital hence they can be configured for sourcing output or sinking input. The operating temperatures are between -40 and 70 degrees Celsius.