SW-M81 TFT Display
4.0-inch color TFT e-bike display with UART/CAN communication and Bluetooth 5.0
Overview
The SW-M81 is a compact 4.0-inch TFT color display designed for electric bicycles and light electric vehicles. It features a high-visibility vertical screen with ambient light sensor for automatic backlight control, a separate handlebar remote for blind operation, and Bluetooth 5.0 connectivity. The IP66-rated housing withstands harsh outdoor conditions.
- 4.0-inch TFT color screen
- UART (default) / CAN (optional) communication
- Bluetooth 5.0 built-in
- Ambient light sensor for auto brightness
- USB charging port
- IP66 protection rating
- CE / RoHS / EN13849 certified
Features & Dimensions
Standard Functions
- Assist level display and adjustment
- Real-time speed
- Single trip distance
- Total distance (ODO)
- Light on/off control
- Assist modes selection
- Power output indicator
- Error code display
- Settings menu
Optional Features
- Custom boot logo / animation
- Real-time cruise control
- Multi-language support
- Turning signal display
- Signal / dual drive support
- Dual battery compatibility
- Customized screen layout
Technical Specifications
| Model | SW-M81 |
| Screen Type | 4.0-inch TFT color display |
| Working Voltage | 12–60 V DC |
| Communication | UART (default) / CAN (optional), Bluetooth 5.0 |
| Protection Rating | IP66 |
| Certification | CE / RoHS / EN13849 |
| Dimensions (W × H × D) | 77.83 × 99.78 × 64.36 mm |
| Handlebar Compatibility | Ø22.2 / Ø25.4 / Ø31.8 mm |
| Light Sensor | Yes (automatic backlight) |
| USB Port | Yes (charging) |
| Remote Control | Separate handlebar keypad (included) |
Frequently Asked Questions
What communication protocols does the display support?
It supports UART as the default protocol and offers optional CAN communication.
Is the display suitable for outdoor use?
Yes, it features an IP66 protection rating, making it resistant to dust and water jets.
Can the display be customized?
Software customization is available (such as UI and logo); the housing design is standard and not customizable.
What is the working voltage range?
The device operates within a wide voltage range of 12 to 60 V DC.
Does the display have a light sensor?
Yes, it includes an ambient light sensor for automatic backlight control.
What certifications does the product hold?
The product complies with CE, RoHS, and EN13849 standards.
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