RZ Metal Fashion Simple Art Design Colorful Alarm Clock Olive Green 804 1.Japan mute movement + imported organic glass + ABS rear panel 2.Silent, no ticking to ensure a good sleep and best working environment. 3.Simple retro look with black metal frame and glass front. 4.Night light (built-in lamp) is perfect at night. Simply press the button when staying in bed. 5.Notice:please try to use mercury free carbon battery to protect environment and also lengthen movement's life time.