1、The indoor desktop weather forecast alarm clock can detect a variety of weather, including sunny, cloudy, cloudy, rain, rain+snow. 2、With a large digital backlight color display and 4‑level backlight brightness, it can be quickly browsed even in dim light conditions and is easy to read. 3、It can be plugged into a power source or used with batteries (not included). After plugging in power source, backlight will always remain on. 4、Support display day of the week, date and time, moon phase display, 12/24 hour time display, EN IT FR SP GE five languages ​​week display. 5、With alarm clock and snooze function (5 minutes), outdoor temperature upper and lower limit alarm and frost point alarm function. Item Type: Clock Material: ABS Weight: Approx. 342g / 12.1oz Product Size: Approx. 15x9.5x4cm / 5.9x3.7x1.6in Clock Battery Parameters: 2 x AA Batteries (Battery Not Included) Sensor Battery Parameters: 2 x AA Batteries (Battery Not Included) Function: (1) 3 touch screen setting buttons (2) Calendar up to 2099 (3) The time is in an optional 12/24 hour format. (4) Daily alarm function (5) Snooze function (5 minutes) (6) Humidity: indoor and outdoor measurable range: 20%RH-95%RH (7) Temperature: Indoor temperature measurement range: 0℃ (32℉) -50℃ (122℉) Outdoor temperature measurement range: -40℃ (-40℉) -70℃ (158℉) The temperature can also be measured in ℃ or ℉. (8) 3 levels of indoor comfort (not shown when the temperature is above 25℃ or below 20℃) (9) Record of maximum/minimum temperature/humidity (10) Wireless outdoor sensor: 3 channels can be switched Wall-mounted or desktop stand 433.92MHz RF transmission frequency 60 meters transmission range in open areas (11) Weather forecast function (12) 4 levels of backlight brightness (13) The weather clock can receive up to 3 wireless sensor channels 1 x Alarm Clock (Battery Not Included) 1 x Outdoor Sensor 1 x USB Cable 1 x 5 Languages ​​Manual