- Indoor temperature measuring range: -30°C~+50°C(-22°F~122°F)
- Outdoor temperature measuring range: -50°C~+70°C(-58°F~158°F)
- Indoor Humidity measuring range: 20%-99%
- Power supply: one 7#alkalibe battery
- Resolution: Tem:0.1°C
- Humidity:1%RH
- Humidity:5%-85%RH
- Operation environment: Temp. 0°C~+50°C
