1. Introduction
This manual provides essential information for the safe and effective operation, setup, and maintenance of your SereneLife SLFTRD14.5 Portable Foldable Treadmill. Please read this manual thoroughly before using the product and retain it for future reference.

Figure 1.1: SereneLife SLFTRD14.5 Portable Foldable Treadmill
2. Safety Instructions
To ensure your safety and prolong the life of your treadmill, observe the following precautions:
- Always place the treadmill on a flat, stable surface.
- Keep children and pets away from the treadmill during operation.
- Wear appropriate athletic footwear.
- Do not use the treadmill if you feel dizzy, lightheaded, or experience pain. Consult a physician.
- Ensure the power cord is not pinched or damaged.
- Unplug the treadmill when not in use or before cleaning/maintenance.
- Do not attempt to repair the treadmill yourself. Contact customer support.
3. Product Features
The SereneLife SLFTRD14.5 treadmill offers a range of features designed for effective home and office workouts:
- 2.5HP Motor: Provides steady and reliable performance with a speed range of 0.6 to 5.0 MPH, supporting users up to 265+ lbs.
- Electric Plug-in Operation: Ensures uninterrupted workout sessions without the need for battery changes.
- Dual Functionality: Functions as both a walking pad and a jogging treadmill, with a running surface of 39.37” x 16.53” inches.
- Versatile Workouts: Features preset training modes and adjustable speed and timer settings to customize your exercise routine.
- Advanced Design: Includes a multi-layer tread belt and a shock absorption system to minimize joint impact. The LED display tracks time, calories, and distance in real-time.

Figure 3.1: Powerful Low-Noise Motor with Shock Absorber

Figure 3.2: Dual Functionality for Walking and Running
4. Setup
Your SereneLife SLFTRD14.5 treadmill comes fully assembled and ready to use. Follow these steps for initial setup:
- Unboxing: Carefully remove the treadmill from its packaging. Inspect for any damage.
- Placement: Place the treadmill on a firm, level surface. Ensure there is adequate space around the unit for safe operation.
- Power Connection: Plug the power cord into a standard electrical outlet. The power indicator light should illuminate.
- Initial Check: Before stepping on, briefly turn on the treadmill at a low speed to ensure the belt moves smoothly and there are no unusual noises.
Video 4.1: Unboxing and Initial Setup of the Treadmill. This video demonstrates the unboxing process and how to prepare the treadmill for first use.
5. Operating Instructions
Operating your SereneLife SLFTRD14.5 treadmill is straightforward:
5.1 Power On/Off
- To power on, press the power button on the treadmill's display or the remote control.
- To power off, press the power button again.
5.2 Using the Remote Control
The included remote control allows you to manage speed and start/stop functions:
- Start/Stop: Press the designated button to begin or end your workout.
- Speed Adjustment: Use the speed up/down buttons to increase or decrease the belt speed.
- Mode Selection: Select from various preset training modes.

Figure 5.1: Real-time Progress Tracking and Remote Control
5.3 LED Display
The LED display provides real-time feedback on your workout metrics:
- Time: Duration of your workout.
- Speed: Current speed of the treadmill belt.
- Calories: Estimated calories burned.
- Distance: Total distance covered.
5.4 App Connectivity (Fitshow App)
Enhance your workout experience by connecting your treadmill to the Fitshow app:
- Download the Fitshow app from your device's app store.
- Enable Bluetooth on your device and open the app.
- Follow the in-app instructions to pair with your SereneLife SLFTRD14.5 treadmill.
- The app allows for remote control, tracking of fitness data, and access to additional training programs.

Figure 5.2: Bluetooth and App Integration with Fitshow
6. Maintenance
Regular maintenance ensures optimal performance and longevity of your treadmill:
6.1 Lubrication
After approximately 3 months of use, or as needed, lubricate the running belt:
- Locate the oil filling hole on the right-hand side of the treadmill.
- Apply a small amount of treadmill lubricating oil into the hole to keep the running belt smooth.
6.2 Cleaning
- Wipe down the treadmill with a damp cloth after each use to remove sweat and dust.
- Avoid using abrasive cleaners or solvents.
6.3 Belt Adjustment
If the running belt becomes misaligned or too loose/tight, refer to the detailed instructions in the full product manual for adjustment procedures. Proper belt tension and alignment are crucial for safe operation.

Figure 6.1: Multi-layer Anti-Slip Running Belt
7. Troubleshooting
If you encounter issues with your treadmill, try these common solutions:
- Treadmill not powering on: Check if the power cord is securely plugged into both the treadmill and the wall outlet. Ensure the power switch is in the 'ON' position.
- Belt not moving: Verify the safety key is correctly placed. Ensure the treadmill is not in pause mode.
- Unusual noises: Check for any loose parts or foreign objects under the belt. Lubricate the belt if it sounds dry.
- App connectivity issues: Ensure Bluetooth is enabled on your device and the treadmill is within range. Restart both the app and the treadmill.
For persistent issues, please contact SereneLife customer support.
8. Specifications
| Specification | Value |
|---|---|
| Brand | SereneLife |
| Model Name | SLFTRD14.5 |
| Color | Black |
| Product Dimensions | 49.01"D x 21.37"W x 4.41"H |
| Material | Acrylonitrile Butadiene Styrene (ABS), Alloy Steel |
| Maximum Speed | 5 Miles per Hour |
| Maximum Horsepower | 2.5 Horsepower |
| Maximum Weight Recommendation | 265 Pounds |
| Assembly Required | No |
| Power Source | Corded Electric |
| Included Components | Power Cord, Remote Controller, Unit |
| Metrics Measured | Distance |
| Folded Size | 49.21 x 20.47 x 4.52 inches |

Figure 8.1: Portable Design for Easy Movement and Storage
9. Warranty and Support
Your SereneLife SLFTRD14.5 Portable Foldable Treadmill comes with a 1 Year Warranty. For warranty claims, technical support, or any questions not covered in this manual, please contact SereneLife customer service.
Please have your model number (SLFTRD14.5) and purchase information ready when contacting support.





