The Meade TE388W Wireless Weather Station with Forecaster with Atomic Clock. Reads indoor and outdoor temperature. Includes a single remote with 328 foot range. The clock automatically sets itself to the US Atomic Clock and has a dual alarm with snooze function. Selectable 12 or 24-hour time format. 12 to 24-hour weather forecast with cloud icons. This desk or wall mountable unit has a programmable ice warning alarm and min/max memory for inside and outside temperatures. Monitors temperature in one remote outside location with the included TS02X sensor. The day can be displayed in English, Spanish, French, German or Italian. Requires two AA type batteries for the main unit and two additional AA batteries for the remote sensor. Batteries not included. Suggested operating temperature range is -4F to 158F ;-20C to 70C if using alkaline batteries and -38F to 158F ;-39C to 70C if using lithium type batteries. Actual Size of main display unit is approximately 7.3-inch tall by 3-1/2-Inch wide and 1.1-Inch deep.