Keep track of your indoor and outdoor temperature and humidity levels with the ThermoPro Digital Wireless Indoor Outdoor Hygrometer Thermometer Humidity Meter. This wireless device comes in a tabletop, magnetic back, and wall-mounted design for your convenience. The LCD display is easy to read and features a backlight that automatically turns off after 15 seconds to save battery life.The ThermoPro Digital Wireless Indoor Outdoor Hygrometer Thermometer Humidity Meter has a temperature range of -4°F to 158°F (-20°C to 70°C) and a humidity range of 10% to 99%. It runs on 4 AAA size batteries (included). With its sleek white and black design and touchscreen feature, this device is perfect for indoor use.