Description: This thermometer and hygrometer measures both temperature and humidity, with Celsius and Fahrenheit included, wall-mounted, no batteries and no calculations required. Can be used in greenhouses, home gardens, offices, etc. Features: Thermometer & Hygrometer: It can measure both temperature and humidity. Celsius and Fahrenheit are provided. Wall-mounted: There is a hole on the back of the thermometer, so you can use a screw (not included) to mount it on the wall, easily fix it on the wall or window. It is also very lightweight and portable, you can take it anywhere. No batteries required: This thermometer is mechanical, not electronic, there is no battery to power it and gives you accurate readings. Saving. No calculation is also necessary. Wide application: can be used in greenhouses, gardens, garages, offices, laboratories, nurseries, etc. Specifications: Item Type: Vertical Thermometer Color: White Material: Plastic Size: approx. 23 * 6 cm / 9.06 * 2.36 inches Quantity: 1 pc Weight: Approx. 50 g / 1.76 oz Notes: 1. Size information is for reference only, please allow 1-2cm differences (0.4-0.8'') due to manual measurement, thanks. 2. Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same. Package List: 1 * Vertical Thermometer