WS6283 User ManualsFeatures: DCF Radio controlled clock function Time in optional 12/24 hour format Perpetual Calendar Up to Year 2099 Day of week in 7 languages user selectable: English, German, Italian, French, Spanish,Netherlands and Danish Dual Alarm clock can be set on weekdays / weekends and daily Snooze time setting (1~30Minute or OFF) Transmitter low battery indication Indoor comfort indictor Weather forecasting and air pressure detect Ice alert Remote sensor temperature alert range set Change trend display Humidity measurable range: 20%RH ~ 95%RH Temperature:— Indoor temperature measurement ranges: -9.9°C (14.2°F) ~ 50°C (122°F)— Outdoor temperature measurement ranges: -40°C (-40°F) ~ 70°C (158°F)— Temperature alternatively in °C or °F Maximum /minimum value record of temperature and humidity Wireless Outdoor Sensor:—3 Channels selectable— 433.92MHz RF transmitting frequency— 50 meter transmission range in an open area Barometric pressure:— Barometric pressure measurement ranges: 850~1100 mB/hPa (25.10~32.48inHg)— Pressure alternatively in mB/hPa or inHg Power Supply:Station : 2 x LR03 AAA / Adapter: DC5V 600mASensor: 2 x LR03 AAA