Feature 1、User-friendly function key setting, voice projection clock, understand the temperature and convert between ℃ and ℉ temperature. 2、5 alarm bells, ring for one minute, reaching 60 decibels; support one-button snooze function and temperature display, more convenient to use. 3、Display the time to the wall or other plane, and finely adjust the projection angle. Two groups of on time alarm can be selected (24 hours on time alarm and 12 hours on time alarm). 4、Press the upper button, the backlight will turn on and it will turn off automatically after 8 seconds. Press the upper button, the voice broadcasts the current time and temperature, you can turn on or off. 5、The digital display is clearer, using 3pcs AAA batteries (not included), you need to press the upper button, the projection and backlight will be on for 10 seconds; when plugged in, the backlight can be always on. Condition: Item Type: Clock Material: ABS + Electronic Components Color: Black Function: Time Alarm Voice Telling Time Time Projection Snooze Function Backlight Function Temperature Display Two Groups On Time Alarm Use Mode: 3 x AAA Dry Battery (Not Included) / USB Cable Product Size: Approx. 8 x 8 x 10 cm / 3.1 x 3.1 x 3.9 in Weight: Approx. 206g / 7.3oz Package List 1 x Clock (Battery Not Included) 1 x USB Cable 1 x User Manual Note 1. Please allow 0-2 cm error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.