Surborder Shop Black 3 inch Twin Bell Analog Alarm Clock Battery Operated - Loud Alarm Clock The Analog Alarm Clock Advantage: vintage twin bell alarm clock, retro style takes you back to 80's.&lt; Loud alarm clock for people who are heavy sleepers, mild loss hearing. No snooze button, good wake up clock 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.