With help from the AcuRite Mini Analog Thermometer you will always know the correct temperature indoors or outdoors. It is designed for use either indoors or outside and features Fahrenheit and Celsius scales for simple conversions. This thermometer is easy-to-install with a simple clean look to be placed anywhere. The suction cup is weather-resistant so it can be placed both indoors and outdoors. The Acurite thermometer also includes a convenient suction cup that makes it easy to stick to just about any surface. This company is based in Lake Geneva Wisconsin. This AcuRite analog thermometer weighs 0.04 lbs. doesn t require a battery and comes with a one-year limited warranty.