Indoor measurement range: temperature -10 ℃~+60 ℃ (14 ℉~140 ℉), humidity 20% -95%;
Outdoor measurement range: temperature -40 ℃~+70 ℃ (-40 ℉~158 ℉);
Accuracy: Temperature+/-1 ℃ (2 ℉) within the range of 0 ℃ to 50 ℃, otherwise+/-2 ℃ (4 ℉), humidity+/-5%;
Power consumption: Receiver 2 * 1,5V AAA (excluding), transmitter 2 * 1,5V AAA (excluding);
Transmission distance: 60m in open space;
Transmission frequency: 433MHz;
Transmission time: CH1:50 seconds, CH2:53 seconds, CH3:56 seconds;
Low battery index: 2.6V External dimensions: 138 * 84 * 27mm
