100% Brand New. Working Voltage: 1.5V (included) Temperature Resolution: 0.10/ ℉ Accuracy: 0.0℃ to +80℃( ±1℃ or 2℉) , other range ( ±5℃ - 10℃ or 10℉ - 20℉) Measuring Frequency: 1 Sec,10 sec, sleep, auto select On/off, ℃/℉ and hold buttons. Major Functions Available: Measuring Range: -50℃ - + 300℃ ( -58℉- +572℉) ℃ and ℉ display selectable Low battery sensation and display Memory of last measure 15 minutes auto shutdown for power saving (option) Package content : 1 x Digital thermometer 1 x Battery ( installed ) 1 x Blue strap 1 x Plastic tube 1 x English Manual