The classic twin bell design with a robust hammer between enables a loud annoying alarm to ring for 50 minutes, till you wake up and turn it off. Heavy sleeps adults teenagers kids will jump out of bed, never sleep through. The exterior clock casing and interior reading face were both finely crafted of metal (apart from the back board for easy setting), which specializes in metallic luster and shine, making alarm clocks distinctive. They will be tempting and captivating d¨¦cors in your bedrooms. High quality quartz sweep quartz movement ensures no tick-tick noise and accuracy timekeeping, delivering a good working and learning environment as well as a restful night¡¯s sleep. Separate alarm switch, simple setting dials, easy to set and use. There is a simple access light button at the backside to make it easy for you to know the time at night, based on your demand, no extra glow to ruin the right environment for bedtime. battery operated alarm clock works far longer and is less likely