Wireless thermometer indoor/outdoor temperature with clock and alarm.
Record of MIN, MAX temperatures (24h and historical).
Possibility of up to 3 outdoor sensors (1 pc in the package)

Indoor unit:
Clock: time, date, day of the week, alarm clock
Internal thermometer: 0°C to 50°C
External thermometer: –40°C to 60°C
style="color:#4f4f4f;font-family:sans-serif;font-size:12.8px;background-color:#ffffff;">Accuracy:1°C
Resolution: 0.1°C
Frequency: 433MHz
Temperature update: 60s
Power supply 1×AA battery (not included)
Dimensions: 100×78×25mm

Outdoor unit:
Model: WH53 style="margin:0px;padding:0px;color:#4f4f4f;font-family:sans-serif;font-size:12.8px;background-color:#ffffff;"/> Frequency 433MHz
Range: up to 100m
Power supply: 1×AA battery (not included)
Dimensions: 66×42×22mm