Sharp
Sharp Atomic Clock with Indoor/Outdoor Temperature
★★★★★
Stay on Time with Effortless AccuracyIntroducing the Sharp Atomic Clock. This clock automatically synchronizes with the US Government's WWVB radio broadcast, providing unparalleled accuracy. Featuring a jumbo 3" display and indoor/outdoor temperature readings, it's both practical and easy to read...
$33.99*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.
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Overview
Stay on Time with Effortless Accuracy
Introducing the Sharp Atomic Clock. This clock automatically synchronizes with the US Government's WWVB radio broadcast, providing unparalleled accuracy. Featuring a jumbo 3" display and indoor/outdoor temperature readings, it's both practical and easy to read.
- Accuracy: Atomic (Automatically synchronizes with WWVB radio broadcast)
- Display: Jumbo 3.3" LCD
- Temperature: Indoor and Outdoor (Wireless outdoor sensor included - 100ft range)
- Power: Main unit: 3 x AA batteries, Sensor: 2 x AA batteries (not included)
- Features: Calendar and Day of Week display
- Mounting: Wall mountable or tabletop with built-in stand
- Color: Gloss Black
Key Features
NEVER SET THE TIME AGAIN — AUTOMATIC ATOMIC ACCURACY - Built-in atomic receiver automatically synchronizes with the U.S. atomic clock for precise timekeeping. No manual adjustment required — always accurate through daylight saving changes and power interruptions.
JUMBO 3” DISPLAY — SEE TIME FROM ACROSS THE ROOM - Large high-contrast numbers are easy to read from bed, sofa, or across the office. Ideal for bedrooms, kitchens, living rooms, seniors, or anyone wanting effortless visibility at a glance.
INDOOR & OUTDOOR TEMPERATURE WITH WIRELESS SENSOR - Included wireless outdoor sensor displays real-time outdoor temperature alongside indoor conditions — no wires, no guesswork, just instant environmental awareness.
ONE-LOOK INFORMATION CENTER - Clear dashboard layout shows time, day, date, and temperature together in an organized display designed for quick understanding without searching or scrolling.
TRUE SET-AND-FORGET CONVENIENCE — BATTERY OPERATED - Place anywhere without outlets or cords. Reliable battery operation keeps time during outages, making it perfect for walls, desks, offices, bedrooms, or anywhere dependable time matters. Batteries (not included) Main unit 3 x AA – Outdoor Sensor 2 x AAA
Specifications
Display Type
Jumbo 3” Display
Time Synchronization
Automatic Atomic (U.S.)
Temperature Monitoring
Indoor & Outdoor (Wireless Sensor)
Power Source
Battery Operated (Main unit 3 x AA, Outdoor Sensor 2 x AAA - not included)
Information Displayed
Time, Day, Date, Indoor Temperature, Outdoor Temperature
Pros & Cons
👍 Pros
- Features an automatic atomic receiver that synchronizes with the U.S. atomic clock for precise timekeeping
- Never requires manual time adjustments, as it automatically handles daylight saving changes and power interruptions
- Equipped with a jumbo 3-inch display, offering large, high-contrast numbers for effortless reading from a distance
- Includes a wireless outdoor sensor, providing real-time outdoor temperature alongside indoor conditions
- Presents a clear dashboard layout that displays time, day, date, and temperature together for quick information at a glance
- Offers true set-and-forget convenience due to its battery-operated design, allowing placement anywhere without cords
- Maintains accurate time during power outages, making it a reliable choice for critical timekeeping in any room
👎 Cons
- Requires 3 AA batteries for the main unit and 2 AAA batteries for the outdoor sensor, which are not included
- The wireless outdoor sensor's range is not specified, potentially limiting placement options
- While it provides indoor/outdoor temperature, it does not detail any humidity sensing capabilities
- The display, though large, is monochrome and does not offer backlighting for low-light visibility (not specified)
- The "atomic accuracy" is limited to synchronizing with the U.S. atomic clock, potentially less useful in other regions
- The design is functional, but aesthetic choices or advanced smart features are not a focus of this clock
Frequently Asked Questions
How does the Sharp Atomic Clock ensure accurate time?
The clock features a built-in atomic receiver that automatically synchronizes with the U.S. atomic clock, ensuring precise timekeeping without manual adjustments.
What information does the clock display?
The clock displays the time, day, date, and both indoor and outdoor temperatures in an organized, one-look dashboard layout.
Is an outdoor temperature sensor included with this clock?
Yes, a wireless outdoor sensor is included, which transmits real-time outdoor temperature readings to the main unit.
Can I place this clock anywhere, or does it need to be plugged in?
The clock is battery-operated, providing true set-and-forget convenience as it does not require outlets or cords and can be placed anywhere.
What kind of batteries does this clock require?
The main unit requires 3 AA batteries, and the outdoor sensor requires 2 AAA batteries; these batteries are not included with the product.
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