Item No.: C27A501
.LCD backlight display  
.Battery level display  
.Language：English and Chinese   
.Wind speed measuring range：0.7~30m/s  
.Wind speed measuring unit：m/s，km/h，ft/min，knots，mph  
.Wind speed measuring resolution：0.1m/s  
.Wind speed measuring accuracy：±3%or±0.3m/s  
.Temperature measuring range：-20~60℃ / -4~140℉  
.Temperature measuring resolution：0.1℃/℉  
.Temperature measuring accuracy：±1℃/℉  
.Humidity measuring range：0~100%RH  
.Humidity measuring resolution：0.1%RH  
.Humidity measuring accuracy：±5%RH  
.Wind chill measuring range：-40~10℃ / -40~50℉  
.Wind chill measuring resolution：0.1℃/℉  
.Wind chill measuring accuracy：±2℃/℉  
.Dew point measuring range：-40~60℃ / -40~140℉  
.Dew point measuring resolution：0.1℃/℉  
.Dew point measuring accuracy：±2℃/℉  
.Barometric pressure measuring range：300~1100hPa  
.Barometric pressure measuring unit：hPa，ATM，Mbar，inHg，psi  
.Barometric pressure measuring resolution：0.1hPa  
.Barometric pressure measuring accuracy：±0.1hPa  
.Altitude measuring range：-500~9000m  
.Altitude measuring resolution：1m  
.Illumination measuring range：0~55000Lx / 0~5109.5Fc  
.Illumination measuring resolution：1Lx /0.1Fc  
.Illumination measuring accuracy：±3%  
.With CE、FCC、RoHS certification