Keep track of the temperature and humidity levels with the AcuRite 00891 Ca1 Digital Thermometer. This measuring instrument is designed to provide you with accurate readings, with a measuring range of 16% to 98%. It has a compact design, with a height of 2.600 inches and a width of 5.500 inches, making it easy to place on a wall or desk. The AcuRite 00891 Ca1 Digital Thermometer comes with a 1-year manufacturer warranty and is made in CN. It is important to note that this product does not include a battery and is not part of a bundle. With this thermometer, you can monitor the temperature and humidity levels in your home or office effortlessly.