AMTAST Temperature Meter Humidity Gauge Digital Thermometer Hygrometer Light Weight Temperature Monitor Humidity Test

Button Functions:
(MODE) exchange display mode of clock and alarm, set current time, alarm, 12h/24h display and date.
(ADJ) adjust the value of what is undersetting.
(MEMORY) press to display memorized max and min values of temperature and humidity.
(C/F) change temperature unit between Celsius and Fahrenheit. °C/°F unit selectable.
(RESET) delete all values set and in memory, all values return to the original.
 
Operations:
In status of original, press and hold (MODE)for 2 seconds, the minute value flashes, press (ADJ) to adjust value of minute, press (MODE) continuously, can adjust value of hour, 12h/24h, date (d), month(m) respectively.
Under mode of clock, ‘: ‘ Between hour value and minute value flashes every second, press (MODE) one time, change clock mode to alarm mode, then ‘: ‘ Between hour value and minute value does not flash, now, press (ADJ) button, can switch on/off of alarm function and hourly alarm () function. Press and hold (MODE) for 2 seconds to set up alarm time.
Under mode of alarm, the meter will return to clock mode if there is no any operation in 1 minute. Press (MODE) one time, change the display to date and the meter return to clock mode automatically in 3seconds.
 
Attentions: 1. Press (RESET) button for onetime when the meter is first used or the battery is replaced. 2. Press (RESET)button for one time if any abnormal display appears.
 
Temperature range: -10℃～+50℃ (+14℉～+122℉)
Humidity range: 10%~99%RH
Resolution: temperature: 0.1°C (0.1°F), humidity: 1% RH
Accuracy: temperature: +-1°C (1.8°F), humidity: +-5%RH
Power supply: 1.5V (AAA size) x 1 (Battery Not Included)
Product dimension: 4.1 in x3.9 in x0.8 in (10.5 cm x9.8 cm x2 cm)
Weight: 6 oz. (170g)
Please Note: Batteries are not included in the package due to Aviation Security Check. Sorry for any inconvenience caused.