100% Brand new and high quality<br />Measuring range: 35.5~42.9 Celsius degree (85.9~109.2 Fahrenheit) <br />Measuring time: 1 second<br />Operating temperature: 10~40 Celsius degree、 humidity: &lt;80%<br />Storage temperature: -25~+55 Celsius degree、 humidity: &lt;90%<br />Resolution: 0.1 Celsius degree/0.1 Fahrenheit<br />Accuracy: ≤0.3 Celsius degree/≤0.54 Fahrenheit<br />Battery: DC3V (not included)<br />Battery lifetime: 4000 times<br />