Specifications:
Indoor temperature range: -10 to 60&176;C
Outdoor temperature range: -50 to 70&176;C
Temperature accuracy: &177;1&176;C
Frequency: 433 and 868MHz
Outdoor and indoor humidity range: 20 to 99% RH &177;5%
Indoor/outdoor temperature and humidity limit alarm
Manual calibration of temperature and humidity
Display time: 12 or 24 hours
Records minimum and maximum temperature
Records minimum and maximum humidity
Update minimum and maximum temperature and humidity daily zero
Time alarm

Power supply:
Base station: 2 x AA 1.5V LR6 Alkaline batteries
Data generator: 2 x AA 1.5V LR6 Alkaline batteries
Dimensions (H x W x D): 96 x 120 x 30mm
Data generator: 144 x 42 x 27mm