Main performance characteristics: Measuring range: Indoor temperature: -10+50 (-14+122) Outdoor - 50-70 degrees Accuracy: Temperature: 1.0 Humidity: 20%RH-99%RH Humidity accuracy: 5% Features: 1. Temperature/humidity display 2. Celsius/Fahrenheit switch display 3. Simultaneous display of indoor/outdoor temperature 4. Maximum and minimum memory function 5. 1.5V ultra-low power consumption battery (1 AA battery) (battery not included in the factory) 6. Body size: 1508824mm Button function description MODE: Switch the clock and alarm display mode/set the current time I alarm clock, 12/24 hour system, date. ADJ: Adjusts the value of the set item. RBSET: Reset; Clear. MAX/MIN: Displays the maximum/minimum temperature and humidity values of the current memory. One AAA battery has low power consumption. The device uses only one AAA battery, which is more energy-saving and more power-saving. 1.5-meter external waterproof temperature sensor. Suitable for: home, office, school, laboratory, hospital and other places, especially a tool for Pu'er collectors to improve and monitor the tea storage environment. At the same time, it is recommended to place temperature and humidity meters in different positions of the tea warehouse for comprehensive monitoring, because even in different places in the same room, the temperature and humidity conditions are different. Built-in 1.5m Sensor Wire, Presents You with Accurate Indoor and Outdoor Temperature/Humidity. Ideal for Air Conditioning Management Office Hotel Bedroom Hospital Laboratory Livestock Industry Quantity delivered: 1 piece