Features : Large LCD colorful display with backlight, easy and clear for reading.  Display the date/week/time and measure indoor/outdoor temperature and humidity.  Outdoor temperature/humidity with RF receiving function : up to 3 channels.  Weather forecast : sunny, semi-sunny, cloudy and rainy.  24 hour weather forecast trend.  Six function keys : MODE, UP, DOWN, MEM, CH, SNZ.  Week displays in 7 languages : English, German, French, Italian, Spanish, Dutch, Danish.  12H/24H time format, °C/°F temperature unit for selection.  Display MAX./MIN. values of indoor/outdoor temperature/humidity.  It also has alarm and snooze functions, too.     Specifications : Adapter Plug : US / EU (Optional).  Adapter Voltage : Input AC100-240V 50-60Hz; Output DC5V 2A.  Display : LCD screen with LED Backlight .  Indoor Temperature Measurement : 0°C~50°C / 32°F~122°F.  Outdoor Temperature Measurement : -40°C~70°C / -40°F~158°F.  Humidity Measurement : 20%-90%RH.  Transmitter Battery : 2 * 1.5V AA Batteries(NOT included) .  Receiver Battery : 3 * 1.5V AAA Batteries(NOT included); Power Adapter(included).  Transmitter Size : 10.7 * 3.7 * 2cm / 4.2 * 1.5 * 0.8in.  Receiver Size : 17 * 1.5 * 12.5cm / 6.7 * 0.6 * 4.9in.  Transmitter Weight : 40g / 1.42oz.  Receiver Weight : 226g / 8oz.  Package Size : 17 * 7 * 13cm / 6.7 * 2.75 * 5.12in.  Package Weight : 360g / 12.7oz.     Package List : 1 * Outdoor Transmitter.  1 * Indoor Receiver.  1 * Power Cable.  1 * Power Adapter.  1 * User Manual (English)