Battery operated alarm clock This basic clock is powered by 4pcs AA batteries which can support the digital clock going to work for more than 1 year .It is battery powered only and don't need any outlet, so you can put anywhere that you like . Brightness adjustable bedroom clock This desk clock have 3 levels of brightness for your option, you can choose the suitable brightness for you . And it has Night-mode ,it will dim automatically during 8:00pm -6:00 am , it is perfect for your bedroom .(Pls notice this kind of item is special design for weaker light and night , pls don't use it under strong light or the display will be fuzzy). Portable and muted battery clockThis small desk clock size is 5.1*1.5*2.6 inches ,it is portable and muted , you can put it on the desk ,shelf ,hang it on the wall or bring it to travel .
