| Powered by either 4 AAA batteries or AC adaptor, USB power cable |
| Long time using recommend to use adaptor |
| Jumbo size LCD , 5 layer display all reading in one |
| Date and Time interchangely display on LCD |
| Temperature unit is slectable |
| Temperature range: -40~85C ( -40~185F) |
| Accuracy : Temp. 0.6C ( -20~50C) , others 1.2C |
| RH range: 0.0~99.9%RH accuracy: +/-3C at 25C |
