1、Voice Prompt: With Back Light & Time Projection: In any mode,press the top button to tell you the current time in English with backlight on, and the current time will be projected to any flat surface for about 10 seconds. Besides, the projection head can 2、Mode Setting: Mode setting as below: Normal-Time Setting-Alarm Setting - ALM, CHM on/off switch. 3、12H/24H Time System+℃/℉ Switchable: Under Normal mode, press MIN/SOUND key to choose the alarm sounds. Press HR/12-24 key to switch 12H/24H time system; Press the key 2 seconds to switch ℃/℉. 4、Large LCD Display: LCD screen with diameter in 52mm displays time, temperature, alarm icons clearly in large-sized, easy to check information effortlessly. 5、Unique Design: Best modern decor to your house, office, car, lightweight and compmact, also ideal for travelling.