Quiet Non-ticking Silent Quartz Analog Retro Vintage bedside Twin Bell Alarm Clock With Loud Alarm and Nightlight. The Best Gift for heavy sleepers and Kids.Battery Powered (Blue,Silver) (Silver) Silent - no ticking to ensure a good sleeping or working environment Bell alarm sound ; Super loud alarm sound for heavy sleepers. Never worry about oversleep! Simple, easy to use. small size, easy to carry out. Safe and Reliable: the product through CE and ROHS certification. no radiation