describe :-Hygrometer, Thermometer-General Brand-Digital Wireless Hygrometer Indoor and Outdoor Thermometer Humidity MonitorHighlights Universal brand wireless digital hygrometer indoor and outdoor thermometer humidity monitorillustrate:The FT0423 wireless indoor/outdoor temperature and humidity meter consists of a display console (receiver) and a wireless temperature and humidity meter (remote transmitter).Celsius and Fahrenheit can be switched.Indoor temperature 060, accuracy 1, resolution 0.1; outdoor temperature -4060, accuracy 1, resolution 0.1.Indoor humidity 1099%, accuracy 5% (only guaranteed between 2090%), resolution 1%; outdoor humidity 1099%, accuracy 5% (only guaranteed between 2090%), resolution The rate is 1%.Line-of-sight wireless transmission (outdoor): 100 meters, 30 meters in most cases; frequency: 433 MHz; update speed: 60 seconds.Measuring range, accuracy, resolutionIndoor temperature 060, 1, 0.1Outdoor temperature -4060, 1, 0.1Indoor humidity 1099%, 5% (only guaranteed between 20 and 90%), 1%Outdoor humidity 10 to 99%, 5% (only guaranteed between 20 to 90%), 1%Energy consumptionBase station: 2 AAA alkaline batteries 1.5V (batteries not included)Remote sensor: 2 AAA 1.5V alkaline or lithium batteries (withoutBattery) Battery life: base stationAt least 24 months for remote thermometer sensor at least 24 months (use lithium battery in cold weather, below -20CThe package includes:1 piece LCD digital hygrometer 1 pieceWireless sensor