Features:1. Working Voltage: 1.5V (included)2. Temperature Resolution: 0.10/ F3. Accuracy: 0.0C to +80C ( 1C or 2F) , other range ( 5C – 10C or 10F – 20F)4. Measuring Frequency: 1 Sec,10 sec, sleep, auto select On/off, C/ and hold buttons5. Powered: 1 x LR44 battery(without battery)Specifications:1. Measuring Range: -50C ? + 300C ( -58F? +572F)2. C and F display selectable3. Low battery sensation and display4. Memory of last measure5. 15 minutes auto shutdown for power saving (option) Package Includes:1 x Digital thermometer (battery not Include)