Introduction
Thank you for choosing the Pgzsy Multi-Function Electronic Digital Sport Stopwatch Timer. This device is designed for precise time measurement, featuring a large display, date, time, and alarm functions. It is an ideal tool for sports coaches, fitness enthusiasts, and referees, offering reliability and ease of use in various settings.

Image: Two Pgzsy Multi-Function Electronic Digital Sport Stopwatches.
This manual provides comprehensive instructions for setting up, operating, and maintaining your stopwatch to ensure optimal performance and longevity.
Product Features
- Multi-Function Display: Easily switch between stopwatch, time, date, and alarm modes.
- Precise Timing: 1/100 second split timing for accurate measurement of multiple events.
- Large Digital Display: Clear and easy-to-read numbers for quick glances.
- Alarm Function: Set daily alarms for reminders.
- Date and Time Display: Conveniently check the current date and time.
- Lightweight and Portable: Designed for easy handling and transport, includes a lanyard.
- Water Resistant: Built to withstand splashes and light rain, suitable for outdoor use.
- Integrated Compass: A small compass is included for basic directional reference.

Image: Overview of stopwatch features and design.
Package Contents
Your Pgzsy Stopwatch package includes:
- 2 x Pgzsy Multi-Function Electronic Digital Sport Stopwatches
- 2 x Lanyards (pre-attached)
- 1 x LR44 Battery (pre-installed in each stopwatch)
Safety Information
- Keep the device away from extreme temperatures and direct sunlight to prevent damage to the electronic components.
- Avoid dropping the stopwatch or subjecting it to strong impacts.
- While water-resistant, do not submerge the stopwatch in water.
- Do not attempt to open the stopwatch casing, as this may damage the device and void any potential warranty.
- Keep out of reach of small children due to small parts (lanyard, internal battery).
Setup
Your Pgzsy stopwatch comes with the LR44 battery pre-installed and the lanyard attached, ready for immediate use. No initial setup is typically required beyond setting the time and alarm if desired.

Image: Stopwatch with attached lanyard.
Operating Instructions
The stopwatch features three primary buttons: MODE, START/STOP, and SET LAP/RESET. These buttons control all functions.

Image: Stopwatch function diagram.
1. Stopwatch Mode
This is the primary function for timing events.
- Press the MODE button until "STOPWATCH" is displayed on the screen.
- Press START/STOP to begin timing.
- Press START/STOP again to pause the timer.
- To resume timing from the paused state, press START/STOP.
- To reset the stopwatch to zero, press SET LAP/RESET while the stopwatch is stopped.
- For split timing, press SET LAP/RESET while the stopwatch is running to display the lap time. The stopwatch continues to run in the background. Press SET LAP/RESET again to return to the running stopwatch display.
2. Double Count Timer Mode
This mode allows for sequential timing.
- Press the MODE button to cycle through modes until you reach the Double Count Timer mode (indicated by a specific icon or display pattern, refer to the diagram).
- Press START/STOP to begin the first count.
- Press SET LAP/RESET to record the first count and immediately start the second count.
- Press START/STOP to stop the second count.
- Press SET LAP/RESET to display the first count, then press again to display the second count.
- To reset, press SET LAP/RESET while the timer is stopped.
3. Time, Date, and Alarm Function
This mode displays the current time and date, and allows for alarm setting.
- Press the MODE button to enter the normal time display mode.
- To display the month and day, press SET LAP/RESET.
- To view the alarm time, press START/STOP.
- To turn the alarm on or off, press SET LAP/RESET while the alarm time is displayed. An alarm icon will appear/disappear.
- To turn off a sounding alarm, press both START/STOP and SET LAP/RESET buttons simultaneously.
Setting Time and Date
- From the normal time display mode, press the MODE button three times. The seconds will begin to flash.
- Press SET LAP/RESET to adjust the flashing value (seconds, minutes, hours, day, month, year).
- Press START/STOP to move to the next setting (e.g., from seconds to minutes).
- Once all settings are adjusted, press MODE to return to normal time display.
Setting Alarm Time
- From the normal time display mode, press the MODE button twice. The alarm hour will begin to flash.
- Press SET LAP/RESET to adjust the alarm hour.
- Press START/STOP to move to the alarm minute setting.
- Press SET LAP/RESET to adjust the alarm minute.
- Once the alarm time is set, press MODE to return to normal time display.
Maintenance
- Cleaning: Wipe the stopwatch with a soft, dry cloth. For stubborn dirt, a slightly damp cloth can be used, but ensure no moisture enters the device. Do not use harsh chemicals or abrasive cleaners.
- Storage: Store the stopwatch in a cool, dry place away from direct sunlight and extreme temperatures when not in use.
- Battery: The stopwatch uses one LR44 battery, which is pre-installed. Based on product design, the battery is generally not user-replaceable. If the display fades or the stopwatch stops functioning, it may indicate a depleted battery. Professional service may be required for battery replacement.
Troubleshooting
| Problem | Possible Cause / Solution |
|---|---|
| Display is blank or dim. | Battery may be depleted. As the battery is not user-replaceable, consider contacting customer support or replacing the unit. |
| Alarm sounds unexpectedly or cannot be turned off. | Ensure you are in the Time/Date/Alarm mode. Press START/STOP to view the alarm time. Then, press SET LAP/RESET to toggle the alarm on/off (look for the alarm icon). To silence a sounding alarm, press both START/STOP and SET LAP/RESET simultaneously. |
| Buttons are unresponsive. | The device might be in an unexpected mode. Try pressing the MODE button repeatedly to cycle through modes. If unresponsive, the battery may be too low. |
| Stopwatch does not reset to zero. | Ensure the stopwatch is stopped (not running or paused) before pressing SET LAP/RESET to reset. |
Specifications
| Attribute | Detail |
|---|---|
| Brand | Pgzsy |
| Model Number | mb001 |
| Color | Black |
| Material | Plastic |
| Item Weight | 3.52 ounces |
| Package Dimensions | 3.92 x 2.68 x 1.93 inches |
| Battery Type | 1 x LR44 (included) |
| Timing Accuracy | 1/100 Second (Split Timing) |
| Water Resistance | Yes (Water Resistant) |
Warranty Information
Pgzsy products are manufactured to high-quality standards. For specific warranty details, including coverage period and terms, please refer to the product packaging or contact Pgzsy customer support directly. Keep your purchase receipt as proof of purchase for any warranty claims.
Customer Support
If you encounter any issues or have questions regarding your Pgzsy Multi-Function Electronic Digital Sport Stopwatch Timer that are not covered in this manual, please contact Pgzsy customer support. You can typically find contact information on the product packaging or the official Pgzsy website.
Please have your model number (mb001) and purchase details ready when contacting support for faster assistance.