The Dragino S31-LB/LS is a LoRaWAN sensor that precisely measures environmental temperature and humidity using a durable, waterproof Sensirion SHT31 sensor. It transmits data over long ranges with low power consumption. Key features include temperature/humidity alarms, offline datalogging, and easy configuration via BLE. Powered by a long-life 8500mAh battery for up to 5 years of use, it's designed for simple, long-term deployment in IoT networks.