Sencor SWS 4100 B

Weather forecast icon (sunny, partly cloudy, cloudy, rainy, snowy) Indoor temperature and humidity readings with trend indicator Outdoor temperature and humidity readings with trend indicator Indoor temperature range: from -9.9 °C to +50 °C Outdoor temperature range: from -40 °C to +60 °C Indoor humidity range: from 1 % to 99 % RH Outdoor humidity range: from 10 % to 99 % RH Comfort indicators Freeze warning icon Maximum / minimum memory records (with manual reset) Last 24 hours record Digital time and date 12 / 24 hour selectable format Snooze function Temperature display °C/°F (selectable) 3 screen brightness levels: high / low / off Color LCD screen Can be mounted on table or wall Low battery indicator Wireless sensor tone on/off function Supports up to 3 sensors Auto-scroll function for data from all three outdoor sensors 1 sensor included (SWS TH4100) Transmission between main unit and sensor up to 80 m (in open space) Sensor transmission frequency: 433.92 MHz Power Main unit adapter: DC 5 V / 1200 mA (included), power consumption: 6 W. Main unit backup batteries: 3 x 1.5 V AAA type (batteries not included). Sensor power: 2 x 1.5 V AA type (batteries not included). Main unit dimensions: (width/height/depth): 147 x 74 x 17 mm. Wireless sensor dimensions: (width/height/depth): 38 x 100 x 22 mm. Main unit weight: 173 g (with battery, without adapter). Wireless sensor weight: 32 g.
https://mc-static.fast.eu/manual/52/52000064/52000064-im-en.pdf