Flexzion Digital Hygrometer Thermometer Temperature Humidity Meters With Alarm Clock LCD Display Portable For Indoor Home Office Use Desktop or Wall Hanging Battery Powered Display temperature, humidity and time simultaneously Memory of MAX & MIN measuring value. 12-hour / 24-hour displaying system selectable Economical way to monitor indoor or outdoor temperature and humidity. C / F unit selectable Clock display with alarm function. Display features one-inch tall digital numbers Desktop placing or wall hanging. If used outdoors, please place under protected area such as a covered porch.