Parameter

Working Voltage:5V1A
Power=1.5W
Built in rechargeable battery:3.7V/600mAH
Battery backup time:5h
Detecting temperature range:-40°C-120°C
Detecting humidity range:0-100%
Temperature humidity detecting accuracy:0.5°C,5-10% humidity
Mearurement error:±1°C,±5% humidity

Product Discription:

Smart WiFi Control:Easily monitor temperature in real time from anywhere,anytime. With an external waterproof temperature sensor probe,Detect temperature range is -40°F to +248°F (-40°C to +120°C).the hygrometer thermometer is proper for Freezer, Refrigerator, Fish Tank,incubators ect and detect water temperature.

Work with Amazon Alexa, Google Home：After connecting Amazon Alexa and Google home, you can know the current temperature humidity by voice.

Backlight LCD Display:3-inch-LCD display features backlight,making it easier to read in dim light conditions

Smart Message & Buzzer Alarm Alerts:Set up temperature alarm range via smart life app,and the temperature will make sound for 30seconds and Temperature values will flash in LCD Display to alert you when the temperature or humidity goes out of preset value .Stay ahead of air changes in your wine cellar, room, greenhouse or home.

Backup battery option:The sensor are powered up by DC5V1A power adapter and have a rechargable battery as a backup battery which can be used for 6 hours after power failure