Material: glass surface, metal housing. Cute 4 inch alarm clock (batteries not included), absolutely perfect for decorating your home / kitchen / childrens room / dining room etc.^LOUD ALARM: the alarm tone is loud enough to wake up deep sleepers. Very easy operation with only two buttons for setting the time and alarm time.^SILENT OPERATION: No annoying ticking, the creeping second hand offers you a quiet sleeping and working environment.^NIGHT LIGHT FUNCTION: The soft background lighting helps you to read the time in the dark. Just press the light button to activate the night light.^HIGH QUALITY CLASSICAL ANALOG ALARM: Thanks to the high quality quartz drive, it always runs precisely. stereoscopic numbers, black and white dial has a good contrast, so that the time can be clearly read.