Feature 1、Large Digital Display: Small and portable, large numbers, easy to read, can be placed in multiple locations. 2、Multi Application: Thermohygrometer alarm clock is suitable for baby room, greenhouse, humidor, cellar and incubator. 3、Voice Activated Induction Function: the microphone is automatically turned on at 22:00 every day to 6:00 the next day. 4、Backlight Function: When there is a certain sound, it can trigger the backlight to light up for 5 seconds, which is convenient for night use. 5、Digital Acceleration Sensor: Switch one function mode every 90 degrees of rotation, and the backlight lights up at the same time. 6、Timing Function: Press the SET button to start timing, the maximum timing range is 99 minutes 59 seconds. Item Type: Alarm Clock Material: Plastic Size: Approx. 7.7 x 7.7 x 3cm / 3 x 3 x 1.2in Battery Parameters: 2 x AAA Batteries (Not Included) Gross Weight: Approx. 96g / 3.4oz 1. Clock, Year, Month, Day, Week Display 2. Temperature and Humidity Display: If the temperature is lower than -10℃, it will display LO; If the temperature is higher than 50℃, it will display HI. 3. Positive Timing and Countdown Functions: Positive Timing: Press the SET Button to Start Timing, The Maximum Timing Range is 99 Minutes 59 Seconds. 4. Alarm Clock Function 5. 12/24 Hour System Conversion 6. Celsius/fahrenheit Conversion 7. Six Sided Flip Function 8. Backlight Function 9. Voice Control Induction Function 10. Low Battery Prompt Package List 1 x Alarm Clock 1 x English Manual