Features: Working Voltage: 1.5V (included) Temperature Resolution: 0.10/ °F Accuracy: 0.0°C to +80°C ( ±1°C or 2°F) , other range ( ±5°C - 10°C or 10°F - 20°F) Measuring Frequency: 1 Sec,10 sec, sleep, auto select On/off, °C/a and hold buttons Powered by 1 x AG13 batterySpecifications: Measuring Range: -50°C - + 300°C ( -58°F- +572°F) °C and °F display selectable Low battery sensation and display Memory of last measure 15 minutes auto shutdown for power saving (option)Package contents:1 x Digital Thermometer