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I found the description of the wireless weather station model WH 1281:
Wireless weather station
Model no: WH 1281
Description
This wireless weather station, designed for daily use, will prove to be a great asset for your personal usage at home or in the office.
Features
1) Humidity level (% HR)
2) Wireless outdoor and indoor temperature (°C or °F)
3) Records min. and max. humidity
4) Records min. and max. temperature
5) Weather forecasts trend
6) Forecast icons based on barometric pressure changes
7) Radio-controlled time and date with manual setting option (WH1280 only)
8) Time zone setting
9) 12 or 24-hour display
10) Perpetual calendar
11) Alarm time
12) Can receive up to 3 sensors
13) LED backlighting
14) Wall-mounted or free-standing
15) Includes a transmitter
16) Instant synchronized reception
17) Low battery indicator on the receiver
Specifications
Outdoor data
Transmission distance in open field: 100 meters max.
Frequency: 433 MHz
Temperature range: -40 °C to +65 °C (show OFL if outside range)
Resolution: 0.1 °C
Sensor distance measurement interval: 48 sec
Waterproof level: IPX3
Indoor data
Pressure/Temperature: 48 sec
Indoor temperature range: -9.9 °C to +80 °C
Resolution: 0.1 °C
Measured range of REL. Humidity: 20% ~ 99%
Resolution: 1%
Measured air pressure range: 919hPa-1080hPa
Resolution/accuracy: 0.1hPa/1.5hPa
Alarm duration: 120 sec
Power consumption
Base station: 2xAA 1.5 V alkaline LR6 batteries (not included)
Remote sensor: 2 AAA 1.5 V alkaline LR03 batteries (not included)
Package contents:
1x weather station base unit
1x remote sensor with mounting bracket
Mounting screws
Instruction manual
Here:
https://login.aliexpress.com/?from=sm&return_url=http://fr.aliexpress.com/item/926786594.html If needed, print...
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