OSTAR Atomic Wall Clock 11 in Round - Radio Controlled Accuracy

Our review of the OSTAR Atomic Wall Clock finds it best for people who want a low-maintenance, easy-to-read timepiece for common rooms. This 11 in round, battery operated clock stands out because it is a real radio controlled clock that receives WWVB signals to automatically calibrate time, so users rarely need to set or correct it. The review focuses on practical use: quiet operation, large numerals for readability across a room, simple one-AA battery power, and an unobtrusive weight that makes wall mounting straightforward.

Key Features

• Radio controlled movement: Automatically receives WWVB signals so the clock keeps accurate time without manual resetting.
• 11 in diameter: A mid-size face with large numbers that are easy to read from across a bedroom, living room, or bathroom.
• Battery powered: Runs on one AA battery for simple installation and long periods of hands-off operation.
• Simple time zone selection: The P/M/C/E control key on the back lets you set the appropriate city code so the clock self-adjusts to the correct local time.
• Lightweight construction: At about 1.5 lb the clock is easy to hang on standard wall hooks in homes, schools, or hospitals.
• Quiet operation: The movement is effectively silent, making it suitable for bedrooms and other noise-sensitive spaces.

Who It's For

The OSTAR Atomic Wall Clock is for anyone who wants an accurate, fuss-free wall clock with clear numerals and quiet operation, particularly homeowners, teachers, and facility managers who hang clocks in living rooms, classrooms, or public waiting areas. Its automatic WWVB calibration appeals to people who don't want to adjust for daylight saving time or drift.

Those who prefer decorative or designer clocks with ornate frames, mechanical movements, or integrated smart features should look elsewhere, since this model emphasizes practical accuracy and readability over decorative flair or connectivity.

Pros & Cons

Pros

• Automatic radio controlled timekeeping provides reliable accuracy with little user effort.
• Large, clear numbers and well-designed hands make time easy to read at a distance.
• Quiet, battery powered movement works well in bedrooms and bathrooms without ticking noise.

Cons

• Design is utilitarian rather than decorative, so it may not suit someone seeking a statement piece.
• Requires WWVB signal reception for automatic calibration, which may be limited in some buildings or locations.

Specifications

Product	OSTAR Atomic Wall Clock
Diameter	11 in
Power	One AA battery
Weight	Approximately 1.5 lb
Time sync	Radio controlled (WWVB)
Included in box	One wall clock and instruction manual

Our Verdict

The OSTAR Atomic Wall Clock is a practical, value-forward choice for people who need dependable, low-maintenance timekeeping with excellent readability. Its radio controlled accuracy and simple one-AA battery operation make it ideal for bedrooms, living rooms, schools, and public spaces where quiet, accurate time is more important than decorative styling.

Frequently Asked Questions

Does the clock adjust for daylight saving time?
The clock uses WWVB radio signals to automatically update the time, including daylight saving adjustments when the signal is received.

What battery does it use and how easy is it to install?
It uses a single AA battery and is lightweight at about 1.5 lb, so mounting on a standard wall hook is straightforward.

Can it be used in a bathroom or shower area?
It is suitable for bathroom walls away from direct water exposure; customers have found the size and quiet operation appropriate for shower areas when mounted safely.