These hygrometer thermometers can accurately measure the temperature range from -40 to 60C and measure the humidity range from 1 to 99%. All you need is to open the package and ready to use, the scales are easy to read and easily read from a distance due to the large display..You can place it where they should be, keep you aware of the situation at the home with a glance. Panel style: colorful. The modern design of the living room accessory makes it a great addition to any room, office, balconies, etc. and the hooks on the back allow you to hang it anywhere. Package Including: 1 * Thermometer Hygrometer The 10 inch diameter wireless thermometer will self-calibrate within 2 hours based on local temperature and humidity This thermometer hygrometer is mechanical and has a hard hope longer life, you won't worry about cold weather draining the battery Reliable Thermometer/Hygrometer is great for using in your home, bedroom, kids room, garage, workshop, barn, basement, etc. This outdoor garden thermometer with a bold, transparent black acrylic surface easily reads temperature and humidity from a long distance Hygrometer thermometer with temperature range from -40C to +60C, -40 to 140 and humidity 0-100% RH