Peakeep 4" Twin Bell Green Alarm Clock, Battery Operated, Loud The Peakeep Twin Bell Analog Alarm Clock Advantage: Classic style twin bell clock, takes you back to 80's. Loud alarm clock for people who are heavy sleepers, mild loss hearing. No snooze button, good helper for people who has trouble waking up. Silent with a sweeping second hand, do not sound a tick tock noise. 3D dial, analog, has clearly legible hands and numbers. Button for backlight: press the light button, time will be clearly visible at night. Trouble waking up? No Problem! Alarm starts loud driving you get us right away out of the bed. Super loud alarm stays in crazy bell till the ON/OFF switch is turned off. Perfect for waking the dead, heavy sleepers, hard of hearing, hearing impaired and loss. Stereoscopic Numbers are distinguished from these printed cardboards found in common market. Large and clear 3D numeric indicator at every hour and minute tracker make it easy to see from any corner of your room. Manual-light illuminated dial glows evenly across the entire dial for night time viewing, soft, energy-saving. Quiet sweep movement offers a second hand that moves in a continuous motion around the dial with NO TICKING, doesn&#039;t tick for restless sleepers. Operates on 1 AA battery (NOT INCLUDED), Ease of use. Simple and functional.