Features: There are 3 different styles, blue light with green button, orange light with green button, blue light & button, pick your own. Display hour, minute, and can select 12/24 hours format.May set the hour, minute, second as you like and maximum can set 99 hours 59 minutes 59 seconds. When not on lock statue, press any button, backlight will turn on for about 1-2 seconds, very convenient.You can see the for time clearly in the night. 2 groups of alarm clocks (AL1 and AL2), can set 2 alarm clocks at the same for time. Select music or vibration to remind you, will for play music or vibration for about 60 seconds. Kindly note you can only choose one option at the same for time. With bracket, it can stand on the counter-top and be put in your pocket with the bracket folded. Specifications: Material: Plastic+Metal Size: 85x78x23mm/3.35x3.07x0.91in Alarm Clock: AL1/AL2 for Time Display: 12/24H Battery: 2 x AAA Battery(Not Included) Maximum countdown: 99 hours 59 minutes 59 seconds, min: 1 second Package Includes: 1x Alarm Clock note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.