Introduction
This manual provides detailed instructions for the Winnes TK935 GPS Tracker, a robust and waterproof device designed for tracking large animals such as cattle, horses, and sheep. Please read this manual carefully to ensure proper use and optimal performance of your device.
The TK935 offers real-time location tracking, geofencing capabilities, and historical route playback, all accessible via a mobile application, web platform, or SMS commands. Its IP66 waterproof rating ensures durability in various outdoor conditions.
1. Setup
1.1 Package Contents
- Winnes TK935 GPS Tracker
- Collar (for "TK935 con collare" variant)
- USB Charging Cable
- User Manual (this document)
1.2 SIM Card Installation
The device requires a 2G GSM SIM card or a 3G/4G SIM card that supports 2G network connectivity. Ensure the SIM card has an active data plan and is not PIN-locked.
- Open the SIM card slot cover on the device.
- Insert the SIM card into the slot with the metal contacts facing down, ensuring it is correctly oriented.
- Close the SIM card slot cover securely to maintain the device's waterproof integrity.
1.3 Charging the Device
Before first use, fully charge the tracker. The device has a built-in 3000mAh lithium-ion battery.
- Connect the USB charging cable to the tracker's charging port.
- Connect the other end of the USB cable to a standard USB power adapter (not included) or a computer's USB port.
- The charging indicator light will illuminate. Once fully charged, the light may change color or turn off. A full charge typically provides up to 50 days of standby time, depending on usage frequency.

Image: The Winnes TK935 GPS Tracker shown alongside a smartphone displaying its real-time tracking interface. Key features like 3000mAh battery, vibration alert, historical route, and IP66 waterproof rating are highlighted.
1.4 App Download and Web Platform Access
The Winnes TK935 GPS Tracker can be managed via a dedicated mobile application or a web platform.
Mobile Application:
Search for "WINNES GPS" in your device's app store (Android or iOS) and download the application. Follow the on-screen instructions to register and add your device using its unique ID number.
Web Platform:
Access the web tracking platform through your internet browser. The URL and login credentials will be provided with your device or within the app. Use the device's ID and password to log in.

Image: Illustration of the three primary tracking methods: mobile application positioning, web platform positioning, and SMS command positioning. A dog wearing the Winnes TK935 tracker is shown in the background.
2. Operating Instructions
2.1 Real-time Tracking
The tracker provides real-time location updates with a positioning accuracy of up to 5 meters using GPS/A-GPS/LBS modes.
- Open the WINNES GPS mobile application or log in to the web platform.
- Select your device from the list to view its current location on the map.
- The location information, including coordinates, speed, and direction, will be displayed. Updates can occur as frequently as every 5 seconds via SMS commands or every 10 seconds within the app.

Image: A smartphone screen displaying the real-time tracking interface of the Winnes GPS app. It shows the device's current location on a map, along with details such as speed (80 km/h) and direction (West).
2.2 Geofencing
Set up virtual boundaries (geofences) to receive alerts when the tracker enters or exits a designated area.
- In the app or web platform, navigate to the Geofence settings.
- Define a specific area on the map by drawing a polygon or circle.
- Configure alert notifications to be sent to authorized mobile numbers if the device crosses these boundaries.
2.3 Historical Routes
Review the past movements of your animal for up to 180 days.
- Access the "Historical Route" feature in the application or web platform.
- Select a date range to view the tracker's path on the map.
- Playback options allow you to visualize the route taken over time.

Image: A smartphone screen showing the "Historical Route" feature of the Winnes GPS app. A past travel path is displayed on a map, with details like date, time, speed (51 Km/h), direction (South), and mileage (11 Km).
2.4 Alerts and Modes
- Speed Alert: Receive notifications if the tracker exceeds a predefined speed limit.
- Low Battery Alert: Get an alert when the device's battery level is low, prompting you to recharge.
- Vibration Alert: The device can be configured to send an alert if it detects significant vibration or movement.
- Sleep Mode: The tracker features various power-saving modes, including a deep sleep mode that activates when no movement is detected, extending battery life.
3. Maintenance
3.1 Charging
Regularly charge the device to ensure continuous tracking. The 3000mAh battery provides approximately 50 days of standby time, but active tracking will reduce this duration. Use the provided USB cable for charging.
3.2 Cleaning
Clean the tracker periodically with a soft, damp cloth. Avoid using harsh chemicals or abrasive materials that could damage the device or compromise its waterproof seal.
3.3 Waterproofing (IP66)
The Winnes TK935 is IP66 waterproof, meaning it is protected against dust ingress and powerful water jets. Ensure the SIM card slot cover is always securely closed to maintain its waterproof integrity. Do not submerge the device in water for extended periods or expose it to high-pressure water.
4. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device not turning on | Low battery; device not charged. | Charge the device for at least 2-3 hours. |
| No GPS signal / Inaccurate location | Poor satellite reception (indoors, dense foliage); SIM card issue. | Move the device to an open outdoor area. Check SIM card installation and ensure it has an active data plan. |
| App/Web platform not showing device online | SIM card data issue; incorrect device ID/password; network coverage. | Verify SIM card data plan. Re-enter device ID and password. Check for 2G network coverage in the area. |
| Battery drains quickly | Frequent tracking updates; poor network signal requiring more power. | Adjust tracking frequency settings to conserve battery. Ensure device is in an area with good network coverage. |
5. Specifications
| Feature | Detail |
|---|---|
| Model Number | TK935 |
| Brand | Winnes |
| Dimensions | 94mm x 46mm x 31mm |
| Battery Type | 1 x Lithium-ion (included) |
| Battery Capacity | 3000 mAh |
| Standby Battery Life | Up to 50 days |
| Connectivity Technology | GSM/GPRS (supports 2G SIM cards) |
| Positioning Accuracy | Up to 5 meters (GPS mode) |
| Waterproof Rating | IP66 |
| Supported Applications | WINNES GPS (Android, iOS), Web Platform |
| Compatible Devices | Smartphone, Tablet, Personal Computer |
| Special Features | Real-time tracking, Geofencing, Historical routes, Speed alert, Low battery alert, Vibration alert, Sleep mode |

Image: Technical drawing showing the dimensions of the Winnes TK935 GPS Tracker: 94mm length, 46mm width, and 31mm height.
6. Support and Contact Information
For technical support, warranty inquiries, or further assistance, please contact Winnes customer service through the contact information provided with your product packaging or on the official Winnes website.
Please have your device's model number (TK935) and purchase details ready when contacting support.







