Features: 1. LCD Display: Three-level indoor environment comfort display. 2. Temperature Range: Indoor temperature, the test range is 0C-70C, the detection period: 10 seconds. When it is not within the temperature detection range, it will display LL.L the temperature range (and 0.5Hz frequency flashing display), higher than the temperature range. Temperature range display (at the same time 0.5Hz frequency flashing display). 3. Humidity Range: Indoor humidity detection range: 20%-99% Detection : 10 seconds. When it is not within the humidity detection range, L is displayed the humidity detection range (and 0.5Hz frequency flashing display), and higher than the humidity detection range. (At the same time, the 0.5Hz frequency flashes and displays). 4. Intuitive: Indoor temperature and humidity change trend indication, maximum and minimum data display on the same screen, intuitive viewing. 5. Multi-Function: Indoor temperature, humidity memory function, button function, humidity upper and lower numerical value out-of-limit alarm function. Specification: Display: HD LCD Temperature measurement range: 0 degrees Celsius -70 degrees Celsius Angle: 45 degree viewing angle Humidity measurement range: 20%-99% (relative humidity) Temperature display resolution: 0.1 degrees Celsius Humidity display resolution: 1% (relative humidity) Power: 2xAAA batteries (not included) : plastic colour: black Package Contents: 1 x Thermometer Temperature Humidity Monitor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.