Indoor Measurement Range: Temperature -10°C to +60°C (14°F to 140°F), Humidity 20% to 95%
Outdoor measurement range: Temperature -40℃ to +60℃ (-40℉ to 140℉), Humidity 1% to 99%
Accuracy: Temperature +/-1°C (2°F) between 0°C and 50°C, otherwise +/-2°C (4°F); Humidity +/-5% between 30% and 70%, otherwise +/-8%
Power consumption: Receiver 2*1.5V AAA (not included), Transmitter 2*1.5V AAA (not included)
Battery Life: Transmitter: 1-1.5 years; Receiver: 1.5-2 years
Transmission distance: 60m (air-ground)
Transmission frequency: 433 MHz
Transmission time: CH1: 50 seconds CH2: 53 seconds CH3: 56 seconds
Low battery level: 2.6V
