WS604 Wireless
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WS-604S is a 6 inch WIFI/PoE wall clock with a bright LED display that synchronizes time as an NTP digital clock and is easy to manage from a browser, remote, or on device buttons.
It supports 12 or 24 hour display, countdown clock and stopwatch modes, and up to 30 alarms with relay output for scheduling, training, and production timing.
Key Features
- Large four-digit LED display for quick visibility at a distance
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WiFi wall clock with NTP time sync for precise, networked timekeeping
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12 or 24 hour display with auto-rotate via G-sensor for flexible mounting
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Web browser control, IR remote, and on-device buttons for easy management
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Countdown clock and stopwatch modes with presets for seconds, minutes, and hours
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Up to 30 alarms with selectable sounds, hour or date scheduling, and mute option
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Relay output to trigger external devices when alarms fire
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Auto-dimming with ambient light adjustment for clear viewing
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DHCP or static IP configuration for network setup
- GPS time sync available as an add-on
Product specifications
| CPU | N/A |
|---|---|
| RAM (memory size) | N/A |
| Nand Flash | N/A |
| System | N/A |
| Language | N/A |
Shipping information
Shipping details will be provided here
Warranty
1 year
Applications
- Home Automation
In the box
We offer three setup modes: web browser, remote control, and on-device buttons. All instructions are provided on an instruction card with a QR code inside the package.
Can’t find the card? Open the User Guide (PDF).
| Digital Numbers | 4 Numbers |
|---|---|
| Single Digital Measures | 6.1” × 3.4” |
| Material | Front: Acrylic, Frame and Back: ABS Plastic |
| Viewing range | Up to 30 meters (99ft) |
| Weight | 1247g (2.75lbs) |
| Sensor | G-Sensor for Auto-Rotate Screen |
| Mounting Method | Wall mounting and tripod mounting |
All WS604 models include free shipping to your doorstep, ensuring a smooth and hassle-free delivery experience.
Every clock is also backed by a one-year warranty, giving you peace of mind with reliable after-sales support.
Enter Wi-Fi Setup Mode
- Press and hold the Mode button on the back.
- While holding it, plug in the 12 V DC adapter.
- The display will show “AP _ _”, indicating Access Point (AP) mode.
Open the Setup Page
- On your computer or phone, connect to the Wi-Fi network “ws604s clock.”
- Once connected, the setup page will usually open automatically.
- If it doesn’t, open a browser and go to 192.168.4.1 manually.
Set Timezone via Wi-Fi
- Select your region from the dropdown list and click Continue.
- Choose your Wi-Fi network and enter the password if required.
- Click Save & Restart.
Note: Supports 2.4 GHz Wi-Fi networks only.
Verify Connection
Check the Wi-Fi status LED on the front panel:
- Solid ON — connection successful.
- Flashing — connection failed; check your router or re-enter the Wi-Fi password.
You are all set now!
For more questions about setup, please click
here.
Key Features and Functions
Every SIBO LED Wall Clock combines precision timekeeping with smart controls and easy integration, giving you reliable performance in any setting.
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NTP & GPS Sync
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Auto DST/Time Zones
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LED Display
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Brightness Control
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12/24 Hour Mode
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Easy Remote Control
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Timers & Stopwatch
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Up to 30 Alarms
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Custom Audio Alerts
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Relay for Devices
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Screen Rotation
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API Integration
Set It. Sync It. Forget It
WS-604 keeps people on schedule with accurate, dependable time. Whether synced by WiFi, GPS, PoE, or a combination, the clock maintains precise timing, while large 6-inch digits stay easy to read from across the room.
Run alarms, countdowns, and stopwatches, and manage everything from a browser or the handheld remote.
Flexible Mounting Options
Install WS-604 in the way that fits your space. Mount it on the wall for a clean look, place it on a tabletop stand for close viewing, or use a tripod when you need elevated, long-range visibility.
Your Clock, Your Way
Customize WS-604 to match your environment. Add branding, adjust firmware behavior, fine-tune relay logic for your bell system, or enable API and UDP control for advanced integrations. Whether you need unique settings, specialized workflows, or fleet provisioning, we tailor WS-604 to your project.
Frequently Asked Questions
Commonly asked questions by our customers answered for your convenience
What is included in the box?
Each clock comes with the main unit, power adapter, user guide, and a complimentary desktop tripod at no extra cost.
What does GPS synchronization mean?
With GPS synchronization, you don’t need to set the time yourself. Simply plug in the clock, and it will automatically receive the correct time from GPS satellites, staying accurate without any manual adjustment.
Can the clock connect to an external device?
Yes. Our clock has relay interfaces on the back and side that allow you to connect a bell or speaker.
Does the clock support daylight saving time (DST) settings?
Yes, our LED clock supports automatic daylight saving adjustments.
Will the clock update itself after a short power outage?
Yes.The built-in RTC battery preserves the time so the clock updates automatically once power is restored.
