Features: Large Digits Display, Temperature Digits Measure 0.8 Inch Tall For Enhanced Readability. Simultaneously Displays Indoor/Outdoor Temperature With A Basic Resolution Of 1℃/1℉. Wireless Temperature. Receive Wireless Outdoor Temperature From Included Transmitting Sensor.&Nbsp; Minimum/Maxsimum Values. Indoor Display Records The Highs &Amp; Lows Of Both Indoor &Amp; Outdoor Temperatures.&Nbsp; Manual Time. Digital Clock In 12 Or 24-Hour Time Display.&Nbsp; Units Switchable. Choose Between Celsius Or Fahrenheit Temperature Units Using The Set Button. Specification: Condition: 100% Brand New Material: Abs Color: Black Indoor Temperature Measure Range: 0℃~50℃(32℉~122℉) Outdoor Temperature Measure Range: 30℃~70℃(4℉~158℉) Indoor Temperature Measure Cycle: 30 Seconds Outdoor Temperature Measure Synchronization Cycle: 1 Min Resolution: 1℃/1℉ Transmitter Size: Approx. 150 X 86 X 20Mm / 5.9 X 3.4 X 0.8In Thermometer Size: Approx. 130 X 40 X 21Mm / 5.1 X 1.6 X 0.9In Package Weight: Approx. 215G Package Included: 1 X Indoor Display Thermometer 1 X Outdoor Sensor Time Setting Mode: 1. In Standard Mode, Long Press "Set/℃/℉ Button To Enter The Time Setting Mode. 2. The Set Project Will Flicker At 1Hz Frequency. 3. The Order Of Setting Is 12/24-TimeMinuteOffsetExit. 4. Single Press "+/Maxs/Min" Button, Set Value Increase One Step, Long Press This Button More Than 2 Seconds, Then Set The Value At A Speeds Of 8 Steps Per Second. 5. When The Button Is Not Operated Within 30 Seconds, The Setting Mode Is Withdrawn Automatically, And The Set Value Will Be Saved.