Temperature measurement range: -50 ° C ~ 110 ° C Temperature measurement error: ±1 °C Resolution: 0.1 ° C Sensor model: NTC (10K/3435) Working voltage: 1.5V Working current: MAX 4UA Working temperature: 0 ° C ~ 50 ° C Storage temperature: -10 ° C ~ 60 ° C Line length: 1m Product size: 4.8cm × 2.8cm × 1.5cm Display size: 4.6cm × 2.7cm Battery: 2 x 1.5V LR44/AG13 button battery (package not included)