HTC-8 Luminous LCD Digital LED Night Light Thermometer Backlight Hygrometer Humidity Meter, with Alarm Date Clock Calendar 1. Date month year clock with temperature humidity display 2. Button to switch temperature display unit. 3. Check and clean the memory: Press the (MEMORY) memory button can check the maximum(MAX) minimum(MIN) temperature and humidity value in the memory. When showing Maximum(MAX) minimum(MIN) temperature and humidity value in display, long press the (MEMORY)memory button to clean the Maximum(MAX) minimum(MIN) temperature and humidity value in the memory. 4. The date and clock setting : When display the clock long press the (MODE) button start to set the clock, followed by minutes hours 1224 hours year mouth day, press the (ADJ)key to adjust, then press the (MODE) button to confirm the clock and date. 5. The alarm time setting: When display the clock,short press (MODE) button to switch to the alarm display, and then long press the (MODE) button start to set the alarm time followed by minutes hours, press the (ADJ) button to adjust. Then press the (MODE) button again to confirm the alarm time setting mode. 6. The alarm clock and the whole point time keeping opening and closing when display the clock, should press (MODE) button to switch to the alarm display,and then press the (ADJ) button to open and close alarm clock or the whole point timekeeping,followed by the alarm clock opened the whole point time keeping opened both the alarm clock and the whole point time keeping opened both the alarm clock and the whole point time keeping closed. 7. This product use 1.5V AAA x 2 (Not included) 8. The font is displayed fuzzy please replace the battery 9. The six functions:luminous memory The temperature The clock humidity The alarm clock