Product Functions: 1. Weather Forecast; 2. DCF Radio Control Clock; 3. Time in optional 12 24 hour format; 4. Daily Alarm with Snooze Function; 5. Minimum/maximum display for air humidity and temperature; 6. Indoor/Outdoor temperature ( C or F ) and humidity; 7. 8 seconds Backlight by touch the LIGHT button; 8. This product has small size and use battery only, it is easy to place everywhere (living room and bedroom as well as in the kitchen, in the office. Wirele Remote Sensor: 1. Wall Mount or Table Stand 2. One Wirele Thermo Sensor Included 3. 433.92MHz RF transmitting frequency 4. 60 meter transmiion range in an open area. Power Supply: Weather Station: 2 x AA Battery Wirele Remote Sensor: 2 x AAA Battery. All- in -One Functions: weather forecast and alarm clock; indoor/outdoor temperature and humidity; MAX/MIN temperature and humidity display; Daily alarm and snooze function; Battery operated only. Easy- to -Read Display: all information easy to read with any angle of view. Indoor/outdoor temperature and humidity shows with clear big digital number display. Weather forecast calculated based on air preure with outdoor wirele remote sensor (Range up to 200 feet). Thermometer, Hygrometer and Ice Alert ----- Indoor/outdoor temperature and humidity display in optional C or F. Min/Max display for humidity and temperature. outdoor ice alert sounds when the outside temperature is -1 C to 2.8 C. Alarm Clock with Snooze Function: Manually time set or DCF automatic time setting; Time also in optional 12/24; Daily alarm easy turn ON/OFF with snooze function. Note: The product will have measurement errors during a period of time when the product has just started to work. We recommend that you let the product work for more than 24 hours. Because sensors are produced in different batches, they may have small errors. The product belongs to normal operation within the standard error range: temperature 2 , humidity 10%. The weather forecast is calculated based on sensors and software, and there may be errors with profeional weather data. We recommend that you take the data from profeional weather forecast websites as the standard. You can contact us for any questions about the product, and we will do our best to help you solve it.