Features:   
                Large LC Display with backlight
                High accuracy
                Fast response
                Measures environment/dewpoint/wetbulb temperature simutaneously
                Internal memory: 99 groups of data
                Temperature unit: °C & °F selectable
                MAX/MIN
                    Data hold
                    Auto power off
                Supper low power consumption

Specifications:               

Temperature range:  -20~60°C（-4~140°F）
Basic accuracy:  ±0.5 °C (±1.0 °F) 
Resolution:  0.01°C/°F
Sampling rate:  3 times per second
Relative humidity range:  0~100%RH
Basic accuracy:  ±2.0 % RH
Resolution:  0.1%RH
Response time:  <10S (90% 25℃)
Type-k temperature range:  -100~1372°C（-148~2501°F）
Accuracy:  ± (1% ±1°C)
Resolution:  0.01°C/°F，0.1°C/°F，1°C/°F 
Wetbulb range:  -20 ~ 60 °C（-4 ~ 140 °F）
Dewpoint range:  -50 ~ 60 °C（-58 ~ 140 °F）
Internal memory:  99 groups of data
Power:  1*9V battery
Operation condition:  0 ~ 40°C,< 80% RH non-condensing
Storage condition:  -10~ 60°C,<80% RH non-condensing
Weight:  200g
Dimension:  215mm*58mm*33mm