100% Brand New.Display temperature， humidity and time simultaneously.System selectable.C / F unit selectableIntegral-hour alarm functionAlarm functionClock & Calendar function (month and date )Memory of MAX & MIN measuring value12-hour / 24-hour displayingDesk-top placing or Wall HangingTemperature range: -50~ + 70 C ( -58 ~ +158 F )Humidity range: 20%~99%RHResolution:temperature: 0.1 C ( 0.1 F) humidity: 1%RHPower supply: 1.5V ( AAA size )(not include)Accuracy:temperature : 1 C ( 1.8 F )humidity : 5 RH ( 40% ~ 80% )Product dimension: 98 x 105 x 23mmStorage condition: -20 C ~60 C ， 20~80%RHNote: Due to the difference between different monitors， the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures. Thank you!Package Content:1 x LCD Digital Alarm Clock Thermometer temperature Humidity Hygrometer Meter