Thermometer LCD Digital Temperature Meter Humidity Measurement Wired Probe Sensor for Refrigerator Aquarium Air Conditioner (Black)

General descriptionThe LCD Digital Temperature Meter is a compact and sensitive thermometer designed for measuring temperature and humidity. Made from eco-friendly materials, it is sturdy and durable, featuring a clear LCD display that allows for easy reading of temperature in both Celsius and Fahrenheit. This device is ideal for various applications including refrigerators, air conditioners, freezers, fish tanks, incubators, aquariums, and greenhouses.Technical specificationsTemperature measurement range: -50°C (-58°F) to +70°C (158°F)Accuracy: ±1℃Resolution: >-20℃ corresponds to 0.1℃, ≤-20℃ corresponds to 1.0℃Time display range: 1:00-12:59InstallationOpen the battery cover and install a 1.7V battery, ensuring it is not installed reversely.UsagePress the FSW button to switch between Celsius and Fahrenheit.To set the time, press the FSW button to display the time, then use the HR button to increase the hour and the MIN button to increase the minutes.Place the internal probe (A) to measure the surrounding temperature and the external probe (B) for outside temperature measurement.The LCD will display "IN" for indoor temperature and "OUT" for outdoor temperature.Other informationWhen the temperature exceeds 70°C (158°F), the display shows H°C (°F); when below -50°C (-58°F), it shows L°C (°F).If the battery is low, the LCD will flash at a frequency of 1Hz, indicating that the battery needs replacement.