Digital thermometer/hygrometer EM2249

SPECIFICATION
Temperature:-20~+60°C/-4~140°F
Humidity:0% ~ 100%, Resolution: 1%
Dew Poin:-20~+60°C

Screen: Large clear backlight LCD
Sampling Rate: one time per two secs
Response Time: Humidity about 4 secs
Temperature measurement: about 5 to 30 secs
Auto Power Off, Low Battery Indication
Battery: 9V battery, 6F22 or equivalent, 1 pieces
Dimensions: 205 X 67 X 44mm
Weight: About 185g (including battery)