1. Dual alarm clock(1) Switch the alarm clock: short press the alarm key to display the alarm clock 1 pattern and alarm status, then press the alarm key to display the alarm clock 2 pattern and alarm status, press the +/- key to set the alarm OFF/ON, and then press the S key to enter the corresponding group Alarm setting.(2) Turn off the alarm clock: When the alarm clock rings, press and hold the SNOOZE button compatible with 3 seconds to turn off the current alarm clock and enter the next alarm clock state. Short press any key to start snooze.2. Voice-activated wake-up: Voice-activated wake-up in battery mode; Voice control: clap your hands or knock on the table to wake up the alarm clock3. Five gear brightness adjustment: In the time state, short press the SNOOZE button, the brightness will be set in cycles from 1 to 54. Night Mode: 22:00-6:00 Brightness automatically enters low brightness modeTwo display modesPress and hold the + button compatible with 3 seconds to switch the display mode(1) Only the time is displayed(2) Cycle display of time, date and temperatureDo Not Disturb ModeIn the time state, press and hold the SNOOZE button compatible with 3 seconds to enter the do not disturb mode, turn off the display, turn off the voice-activated wake-up, and only manually press the button to wake up the screenDisplay toggle(1) 12/24H display switching: long press the S key, 12/24H display can be switched by +/-(2) Celsius/Fahrenheit display switching: in time state, press and hold the - key compatible with 3 seconds to switch the temperature Fahrenheit/Fahrenheit displayShape:RectangleMaterial of Screen:MirrorVoice control: clap your hands or knock on the table to wake up the alarm clock NOTE 1:Take the protective flim on Clock Screen,it will be brighter. NOTE 2:It will go off after 10 seconds when onlypowered by AAA Battery(Not Included)Clap your hands or knock on the table to wake up the alarm clock If you want screen always on,please plug in use.type: Ashell Colour:blackWords:WhiteMaterial:ABSSize:17 x 7 x 2.5cmPackage Contents:1 x Alarm clock1 x Power cordOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.