Specification:

Indoor Temperature Range: -20°C to 70°C (-4°F to 158°F)
Outdoor Temperature Range: -40°C to 70°C (-40°F to 158°F)
Humidity Range: 20% - 95%
Comfort Indicators: Dry, Comfortable, Humid
Temperature Display Units: °C/°F (Selectable, default: °C)
Temperature Resolution: 0.1°C/°F
Humidity Resolution: 1%
Refresh Rate: 10 seconds
Accuracy: Temperature ±1°C, Humidity ±5%
Wireless Reception Range: 60 meters (197 feet)
RF Wireless Frequency: 433 MHz
Power Source: Requires 7th Gen Batteries (Batteries not included in standard shipment)


Features:

1. Dual Temperature and Humidity Monitoring: Measure indoor and outdoor temperature and humidity in both Celsius and Fahrenheit with a wide range of measurement options.
2. Memory Function: Records the highest and lowest temperature and humidity readings for reference, allowing you to track fluctuations easily.
3. Historical Data Viewing: View historical temperature and humidity data to analyze trends and patterns over time.
4. Multi-Device Connectivity: Connect up to three outdoor transmitters (one outdoor transmitter included in standard package) for comprehensive monitoring.
5. User-Friendly Design: Equipped with high-sensitivity touch buttons for easy operation. Features a comfortable reading display, temperature and humidity trend indicators, and a high-definition color LCD screen.

Package Include: 

Wireless Thermometer x 1
Transmitter x 1
Pearl Cotton Bag x 2
English Manual x 1