Product Show Material: plastic In power-saving mode, the screen will turn off when powered by battery; it can be woken up by pressing the button. (12/24-hour switching) Power type: external power supply（USB powered） Product size: 13.5*6.5*3.5cm Package: 1xDigital Alarm Clock 1xUSB Cable 1xInstruction NOTE 1:Take the protective flim on Clock Screen,it will be brighter. NOTE 2:It will go off after 10 seconds when only powered by 3xAAA Battery（Not Included）.Press any key to wake up the alarm clock . If you want screen always on, please plug in use.（USB Included but Plug Not Included）
