| Technical specifications: Temperature measurement range: -10℃~50℃ Temperature accuracy: ±0.5℃ (0℃~40℃), other: ±1℃ Humidity measurement range: 10%~99%RH Humidity accuracy: ±3%RH Temperature and humidity sampling period: 10 seconds Working voltage: 1.5V Battery: 1* AAA battery Functions and features: Display temperature, humidity, time, date, and days of the week on the same screen Has an alarm clock and an hourly chime function Inquire maximum/minimum temperature and humidity Convert between Centigrade and Fahrenheit Display either 12- or 24-hour format Up to 8-minute alarm snooze 5-second LCD backlight display Instructions for the function keys: [MODE] key: Switch between the clock and alarm; allows the user to set the exact time for the clock and alarm; the 12- or 24-hour format, and the current year, month, and date. [ADJ] key: Adjust the parameters of the settings; turn hourly chime on/off [LIGHT/SNOOZE] key: If the alarm clock does not ring, the LCD backlight will light up for 5 seconds; enable the 8-minute snooze if the alarm clock rings [℃/℉] key: Switch between the temperature units [MEMORY] key: Display the recorded maximum/minimum temperature and humidity in the memory Instructions for use: Battery installation: Open the lid to the battery compartment, place an AAA battery at the proper orientation, and then properly put the compartment lid back on. Set clock, 12- or 24- hour format, and date: At the clock mode, long press [MODE] for 2s to enter the edit mode, and switch between settings: minute → hour → 12- and 24-hour format → year → month → day → quit edit mode In the edit mode, press [ADJ] to adjust the setting. To increase the value rapidly long press the key for 2s. Ignoring the device for 1 minute will automatically quit the edit mode. Set alarm clock/hourly chime Press [MODE] to enter the alarm clock mode; then long press [MODE] for 2s to set the time of alarm clock or to turn the hourly chime on/off. The order is as follows: Alarm clock→hourly chime→turn on both alarm clock and hourly chime→turn off both alarm clock and hourly chime When the alarm clock rings at the given time, press any key (except LIGHT/SNOOZE) to end the ringing; press [MEMORY] to display the maximum temperature/humidity in memory, press again to display he minimum temperature/humidity in memory, and then press again to return to the current temperature/humidity. When it is under MAX and MIN display mode, and if there are no operations within 10s, it will automatically return to the current temperature/humidity display. | 
