Indoor Temperature Range: -20°F (-4°F)~60°F (140°F)

Outdoor Temperature Range:  -10°F (14°F)~60°F (140°F)

Indoor Humidity Range: 20~99%RH

Parameter: 3 Channels Selective/433.92MHz RF Transmitting Frequency

Power Supply: 500 Feet (152m) Transmission Range In An Open Area

Selling Point:
1. LCD Backlight.

2. Low Battery Indicate.

3. Temperature Units In Optional °C/°F.

4. Max/Min Temperature And Humidity Record And Query.