Material:plastics and Metal Size:12x5cm(HxT);Max. Width:8cm This clock have nightlight function. Please do not use Strong alkaline batteries,use carbon battery . This sweetheart of a clock wakes you with a loud, retro-style twin-bell alarm. Push-button back light helps you see the time in the dark. This hear-shaped alarm clock for office bedroom, perfect as a special present Powered by 1piece AA battery( do NOT includes) Package Includes: 1 Piece Alarm Clock Note: Since the size above is measured by hand, the size of the actual item could be slightly different from the size above. Due to the lighting effects, monitor settings, etc. There could be some slight difference in the color of the pictures and the actual item.