2 in 1 Thermometer Hygrometer ℃/℉ Mode High Accuracy High Low Temperature Alarm Thermometer Feature:1. LCD Display: LCD large screen clear display, temperature display can be converted between indoor and outdoor2. Function: Has Maximum and minimum alarm for outdoor temperature (probe)3. High Performance: Low power consumption, high accuracy and high stability4. Displays: The Maximum Minimum button displays the maximum minimum indoor outdoor temperature and humidity values5. ℃/℉ Function: The " ℃ /℉" button can change the temperature between degrees CelsiusSpecification:Item Type:Indoor Outdoor ThermometerMaterial: ABSProduct Size: Approx. 6.1 x 6.1cm / 2.4 x 2.4inTemperature Accuracy: 0.1℃Indoor Humidity Range: 0-50℃Outdoor Temperature Range: - 50 - 70℃Battery: AAA 1 x 1.5V(Battery Not Included)Usage: This Product Can Be Placed in Refrigerator, Factory, Fish Tank and Your HomeWeight: Approx. 63g / 2.2ozPackage List:1 x Indoor Outdoor Thermometer(Battery Not Included)How to use:1.MaximumMin:PressMaximumMinoncetodisplaythemaximumtemperatureandhumidityduringthedetection.PressMaximumMinagaintodisplaytheminimumtemperatureandhumidityduringthedetection.2,"IN/OUT"button:whentheproductstarts,thedefaultdisplayofoutdoortemperatureandhumidity(outdoorprobetemperature),pressthe"IN/OUT"buttononcetochangetoindoormode.3." ℃/℉"button:pressthe"℃/℉"button(blackbuttonatthebackoftheproduct)once,youcanchooseCelsiusorFahrenheittemperature.4.Alarmsettingbutton:Pressthe"alarmicon"buttonfor2seconds,thescreenwilltwinkle,andtheproductwillenterthealarmsettingmode,"HIGH"(maximumtemperature)issetasthedefault,pressthe"alarmicon"buttononceagaintochangeto"LOW"(minimumtemperature)setting. Whenthescreenisblinking,youcanpressthe"℃/℉"button(theblackbuttonatthebackoftheproduct)tosetthetemperaturerange(thetemperaturerangeis‑50℃to70℃). Aftersetting,youcanpressthe"Alarmicon"buttonagaintorestorethenormaldisplay. About feedback If you are satisfied with our products, Pls give us 5 Stars.Your satisfaction and positive feedback is very important to us. Please leave positive feedback and 5 stars if you are satisfied with our it