Thermometer TF digital wireless indoor/outdoor

Digital wireless outdoor/indoor thermometer and clock. The sensor for the outdoor temperature is placed outdoors and transmits wirelessly to the receiver via 433 MHZ - Range: 80 metres in open field - Measuring range temperature inside: -10 to +50C - Measuring range outside: -50 to +70C - Powered by 4 LR03/AAA batteries (not included) - Max/min function for reading the highest and lowest temperature - Dimensions display: 108 X 64mm - Dimensions sensor: 90 X 60 mm