Modeling, elegant, LCD display, moisture-proof, strong anti-interference, simple, applies to refrigerated cabinets, counters and other temperature measurement needs Temperature range: -50 ~ + 110 ° C Using temperature: -10 ° C to + 50 ° C Temperature measurement accuracy: ± 1 ° C Cable length: 100cm; Power: 2 x 1.5V LR44 button batteries (included)