100% brand new and high quality
<br />Display temperature, humidity and time simultaneously
<br />oC / o F unit selectable
<br />Integral-hour alarm function
<br />Memory of MAX & MIN measuring value
<br />Temperature Range: -50~70¡ãC (-58oF~158oF)
<br />Temperature Accuracy: ± 1.0°C (1.8oF)
<br />Temperature Resolution: 0.1°C (0.2oF)
<br />Humidity Range: 10%RH~99%RH
<br />Humidity Accuracy: ±5 (30%-70%) ±7 (20%-30%) ±9 (below 20%) 
<br />Battery: 1 x 1.5V(not included)
<br />Temperature display indoor and outdoor, humidity display indoor C¡ã/ oF temperature unit switchable
<br />Memory function of temperature and humidity maximum / minimum 12 / 24 time system clock
<br />Integral-hour alarm function
<br />Alarm function
<br />Clock & Calendar function (month and date )