NB-IoT Wireless temperature logger with 2 external probes 1m, IP67

Measurement range: -55°C to +125°C; Accuracy up to 0.5°C in the -10°C to +85°C range and up to 2°C in the -55°C to -125°C range; default probe length: 2x 1m- different probe lengh on request; IP67