Introduction
The iGPSPORT SR30 Smart Radar Taillight is a cycling accessory designed to enhance rider safety and visibility. It features high visibility with a range of 1.6 kilometers when viewed from the rear. The integrated high-performance radar detects approaching vehicles within 150 meters, providing timely warnings to the rider. The SR30 offers multiple taillight modes to adapt to various riding scenarios and is compatible with a range of cycling devices and the iGPSPORT APP.
Product Overview

Figure 1: iGPSPORT SR30 Radar Bike Rear Light
The SR30 combines a powerful rear light with advanced radar technology. Its streamlined design is lightweight, weighing only 68.8 grams, making it an unobtrusive addition to your bicycle. The device is equipped with a Type-C charging port for convenient power supply.
Video 1: iGPSPORT SR30 Appearance Display. This video provides a visual overview of the SR30's physical design and features.
Package Contents
Upon opening the package, verify that all components are present:
- 1 x SR30 Radar Taillight (Host)
- 1 x Fixed Seat (Mount)
- 1 x Rubber Pad
- 1 x Type-C Charging Cable
- 1 x User Manual
- Various sizes of O-rings for mounting
- 1 x Lanyard
Video 2: What Contains in SR30 Package? This video demonstrates the unboxing and shows all included items.
Setup and Installation
The SR30 is designed for easy installation on various types of seat posts, including D-Type, Round, and Aero. Use the provided O-rings to secure the mount firmly to your bicycle's seat post.

Figure 2: Installation of the SR30 on a bicycle seat post, showing compatibility with different seat post types.
Mounting Steps:
- Select the appropriate O-ring size for your seat post.
- Place the rubber pad on the seat post to prevent slippage and protect the frame.
- Position the fixed seat mount on the rubber pad.
- Secure the mount to the seat post using the O-ring.
- Slide the SR30 Radar Taillight onto the fixed seat mount until it clicks into place.
Operating Modes
The SR30 offers six distinct working modes to suit different riding conditions and preferences:

Figure 3: Visual representation of the SR30's various lighting and radar modes.
- Solid Mode: Provides high brightness, suitable for general riding scenarios.
- Peloton Mode: Offers moderate brightness, ideal for group or team riding to avoid dazzling other riders.
- Pulse Mode: Features high brightness with a slow flash, suitable for night or casual riding.
- Night Flash Mode: High brightness with a rapid flash, designed for enhanced visibility during night cycling.
- Day Flash Mode: Maximum brightness with a slow flash, optimized for daytime visibility.
- Single Radar Mode: Operates with no light or flash, focusing solely on radar detection.
To switch between modes, press the power button briefly. The device will cycle through the available modes.
Connectivity and Radar Functionality
The SR30 utilizes millimeter-wave radar with a 40° beam angle to detect vehicles approaching from behind within 150 meters. It intelligently identifies the danger level and transmits this information to compatible display terminals.
Intelligent Reminders:
- Brake Highlight: Built-in high-precision sensor automatically highlights the light when braking.
- Vehicle Approach Warning: Provides visual and audible alarms through the display terminal when vehicles approach from behind.
- High-Frequency Flashes: Reminds vehicles approaching within 220° and 1 mile behind with high-frequency flashes.

Figure 4: The SR30's intelligent security warning features, including auto-flash for approaching vehicles and brake highlighting.
Device Compatibility:
The SR30 supports standard connection protocols (ANT+ and Bluetooth 5.0) for wide compatibility:
- iGPSPORT Bike Computers: Compatible with models such as BSC300T, BSC200S, iGS630S, and iGS800.
- iGPSPORT APP: Can be used independently with the iGPSPORT mobile application (iOS & Android compatible).
- Other Brands: Works with other brands of bike computers or smartwatches that support standard ANT+ or Bluetooth protocols.

Figure 5: SR30 connecting via ANT+ to a bike computer.

Figure 6: SR30 connecting via Bluetooth to the iGPSPORT APP.
Charging and Battery Life
The SR30 is equipped with a convenient Type-C charging port. Ensure the port is clean and dry before charging.
- Charging Time: Approximately 2.5 hours for a full charge.
- Battery Life (Light Mode): Up to 20 hours.
- Battery Life (Single Radar Mode): Up to 25 hours.
The device automatically reduces brightness when the battery is low to conserve power. It also features automatic sleep/wake functionality to optimize battery usage.
Maintenance
- Cleaning: Wipe the device with a soft, damp cloth. Avoid using harsh chemicals or abrasive materials.
- Storage: Store the SR30 in a cool, dry place when not in use.
- Charging: Charge the device regularly, even if not used frequently, to maintain battery health.
- Water Resistance: The SR30 has an IPX7 waterproof rating, meaning it can withstand immersion in water up to 1 meter for 30 minutes. However, avoid prolonged submersion and ensure the Type-C port cover is securely closed.
Specifications
| Feature | Specification |
|---|---|
| Model Name | SR30 |
| Color | Black |
| Material | Plastic |
| Item Weight | 68.8 Grams |
| Power Source | Battery Powered |
| Water Resistance Level | IPX7 Waterproof |
| Mounting Type | Seatpost Mount |
| Brightness | 150 Lumens (approximate) |
| Radar Detection Distance | Up to 150 meters |
| Visible Distance | Up to 1.6 kilometers (from rear) |
| Charging Interface | Type-C |
| Battery Life (Light Mode) | Up to 20 hours |
| Battery Life (Single Radar Mode) | Up to 25 hours |
Troubleshooting
If you encounter issues with your iGPSPORT SR30, please refer to the following common troubleshooting steps:
- Device not turning on: Ensure the device is fully charged. Connect it to a Type-C charger and allow it to charge for at least 30 minutes before attempting to power on again.
- Radar not detecting vehicles:
- Ensure the SR30 is mounted correctly and is not obstructed by saddlebags or other equipment.
- Verify that the radar mode is active.
- Check the connection to your bike computer or app; ensure it is paired correctly and receiving data.
- Connectivity issues (ANT+/Bluetooth):
- Ensure the SR30 is within range of your bike computer or smartphone.
- Restart both the SR30 and the connected device.
- Unpair and re-pair the devices if the connection is unstable.
- Check for firmware updates for your bike computer or the iGPSPORT APP.
- Light not functioning correctly:
- Check battery level.
- Cycle through the different light modes to ensure the desired mode is selected.
- Short battery life:
- Ensure the device is fully charged before each ride.
- Operating in high-brightness or constant light modes will consume battery faster than flash or single radar modes.
- Extreme temperatures can affect battery performance.
If problems persist after following these steps, please contact iGPSPORT customer support.
Warranty and Support
The iGPSPORT SR30 Radar Bike Rear Light comes with a 1-Year Warranty from the date of purchase. This warranty covers manufacturing defects and malfunctions under normal use.
For warranty claims, technical support, or any questions regarding your SR30, please contact iGPSPORT customer service. Refer to the contact information provided in the original product packaging or on the official iGPSPORT website.
Your satisfaction is our top pursuit. Please feel free to share your questions and concerns with us. Our customer service team will respond to you within 24 hours.





