This advanced Weather Station with 2 Wireless Sensor is a great device for monitoring indoor and remote outdoor temperature and humidity simultaneously. Both the station and sensor can be placed on a desktop or mounted on a wall. This model has Radio-Controlled Clock (RCC) function while the users can also set the date and time by themselves. This weather station set is ideal for home and office use. Features: Four-kind weather forecast: sunny, slightly cloudy, cloudy and rainy RF outdoor temperature: up to 3 outdoor transmitters (note: 2 sensors is included in set) Week displays in 8 languages: English, German, French, Italian, Spanish, Dutch, Danish and Russian. 3 grade comforts: Display the figures of desiccation, comfort and moist. 12/24 hour display format 2 alarms Moon phase Indoor/Outdoor temperature/humidity LED backlight Low battery detector indoor and outdoor unit With 2 Sensors included in the set Specifications: Temperature unit : °C / °F Temperature Range & Accuracy: Indoor temperature : 0°C~ 50°C detecting interval : 30 seconds Outdoor temperature : -25 ~ 60 °C Temperature accuracy : ±1 °C (±2 °F) Humidity Range & Accuracy: Indoor humidity : 20% ~ 95% R.H. Outdoor humidity : 20% ~ 99% R.H. Humidity accuracy: ±5% R.H. Calendar : 2000 ~ 2050 (Year), Mon to Sun (Week), 1st Jan ~ 31st Dec (Date) Radio-Controlled Clock format : Germany DCF (140 European cities) Channels : CH1, CH2, CH3 Operating temperature : 0 ~ 50 °C (32 ~ 122 °F) Storage temperature : -10 ~60 °C (32 ~ 140 °F) Power supply Main unit : 2 x 1.5 V AAA Batteries (Batteries not included) Remote sensor : 2 x 1.5 V AAA Batteries (Batteries not included) Dimension Main unit : 18 x 14 x 2.8 cm Remote sensor : 6.3 x 10 x 2.4 cm Weight Main unit : 290g (battery excluded) Remote sensor : 80 g (battery excluded) Set Includes: 1 x Base Station 2 x Outdoor sensor English User's Manual Standard Packaging Box NOTE TO BUYERS:IF YOUR AREA IS NOT INCLUDED IN THE 140 CITIES LISTED YOU NEED TO MANUALLY SET THE TIME AND DATE PLUS THE FOLLOWING FUNCTIONS WILL NOT WORK AS WELL *MOONPHASE *AUTOMATIC SETTING OF TIME AND DATEASIDE FROM THE FUNCTIONS ABOVE, ALL THE REST OF THE FUNCTIONS WILL WORK.