Note: It comes without the power lines¡¢ and it support battery or DC 5V power adapterfeature?100% Brand New.?Appearance Color: white?Size: Approx 13.5 x 6 x 11.5 cm (1in = 2.54cm)?Display Screen: LED screen?Light Color: Blue?Power Supply: 5 V Power or AAA battery (Batteries not included)?Digital clock has a LED light message board with a highlighter?You can write any words on the board what you like. At night¡¢ you can read the words on the LED luminousscreen board?You can switch the time¡¢ date¡¢ temperature or display model. There are 12 hours or 24 hours format selection¡¢degrees Celsius or Fahrenheit option and three regular alarm clock and snooze function?16 world famous songsHow to use?1. Inquire FunctionTo choose time display mode and to press ?¡ãM?¡À key to inquire.B. Time SettingTo choose time display mode and to press ?¡ãS?¡À key for 3 secs¡¢ then press ?¡ãS?¡À key to set time.C. Alarm Clock SettingPressing ?¡ãM?¡À key to choose alarm clock mode and pressing ?¡ãS?¡À key for 3 secs to set time. Package Content:?1x LED Message Board Alarm Clock?1 x Pen?1 x User manual