1. Product Overview
The TWOOC EH-2 Bicycle Electronic Horn is designed to enhance safety for cyclists by providing a loud and clear warning sound. Its compact size, durable engineering plastic construction, and IPX4 waterproof rating make it suitable for various cycling conditions and bicycle types.
Figure 1: TWOOC EH-2 Bicycle Electronic Horn on a handlebar.
Video 1: Demonstration of the TWOOC EH-2 Bicycle Electronic Horn in use, showing installation and sound output.
Key Features:
- 120dB Loud Volume: Emits a powerful warning sound to alert pedestrians and vehicles.
- Easy Installation: Designed for tool-free installation with flexible silicone straps.
- IPX4 Waterproof Rating: Suitable for use in rainy conditions.
- Long Battery Life: Powered by two replaceable CR2032 batteries.
- Highly Versatile: Compatible with ordinary bicycles, road bikes, mountain bikes, electric bikes, and children's scooters.
- Compact Size: Small and lightweight design (34g).
2. Package Contents
Please check the package for the following items:
- 1x TWOOC Bicycle Electronic Horn (Model EH-2)
- 1x Anti-slip Rubber Pad
- 1x User Manual
- 2x Silicone Straps
- 2x CR2032 Batteries (pre-installed or included separately)
3. Setup and Installation
The TWOOC EH-2 horn features an easy, tool-free installation process using flexible silicone straps, making it adaptable to various handlebar sizes (22.2-31.8mm diameter).
Installation Steps:
- Prepare the Horn: Apply the anti-slip rubber pad to the bottom of the horn unit. This helps secure the horn and prevents scratching your handlebar.
- Attach the Strap: Fix one end of a silicone strap to the hook on the horn unit.
- Position the Horn: Place the horn unit on your bicycle handlebar in a convenient and accessible location. Ensure the speaker is facing forward.
- Secure the Strap: Wrap the silicone strap around the handlebar and fix the other end of the strap to the remaining hook on the horn unit. Adjust the strap for a firm and secure fit. The elastic silicone ensures a tight lock, preventing it from falling off even on bumpy roads.
Figure 2: Apply the anti-slip pad to the bottom of the product.
Figure 3: Fix one end of the strap to the hook.
Figure 4: Place the speakers in the right place on the handlebar.
Figure 5: Fix the strap at the other end of the hook to complete the installation. The strap adapts to different sizes and diameters of handlebars.
4. Operating Instructions
To operate the TWOOC EH-2 Bicycle Electronic Horn, simply press the button located on the top of the unit. This will activate the 120dB warning sound.
Figure 6: Press the button to activate the horn.
Sound Effectiveness:
The horn's high decibel output is designed to effectively alert others to your presence. At 3 meters, the sound level is approximately 85dB, and at 5 meters, it is approximately 75dB, ensuring visibility and safety in various traffic conditions.
Figure 7: High-decibel horn warning sound effectively alerts pedestrians and vehicles.
5. Maintenance
Battery Replacement:
The horn is powered by two CR2032 batteries. Standard battery life is measured at approximately 4000 continuous rings. For optimal performance and longer life, the use of Panasonic batteries is recommended.
Figure 8: Battery compartment with 'OPEN' label.
- To replace batteries, carefully open the battery compartment.
- Note the positive and negative directions indicated by the logo inside the compartment and insert new CR2032 batteries accordingly.
- The battery compartment is designed to be tight for better waterproofing. You may need to use a small tool (e.g., a flathead screwdriver) to gently pry it open.
- After replacing the batteries, ensure the waterproof ring of the battery compartment is correctly installed to maintain its IPX4 rating.
- Dispose of used batteries responsibly; do not throw them away with general waste.
General Care:
- Clean the horn with a soft, damp cloth. Do not use abrasive cleaners or solvents.
- Avoid exposing the horn to extreme temperatures or fire.
- While the horn is IPX4 waterproof, prolonged submersion is not recommended.
6. Troubleshooting
No Sound or Weak Sound:
- Check Batteries: Ensure the CR2032 batteries are correctly installed with the correct polarity and are not depleted. Replace if necessary.
- Battery Compartment Seal: Verify that the battery compartment is securely closed and the waterproof ring is properly seated.
- Obstructions: Check if there are any obstructions in the speaker opening.
If the issue persists after checking these points, please contact customer support.
7. Specifications
| Attribute | Value |
|---|---|
| Model Number | EH-2 |
| Type | Electric Horn |
| Material | Engineering plastic |
| Size | 76 x 44 x 36 mm (44x76x36mm) |
| Weight | 34g |
| Decibel | 120dB |
| Waterproof Level | IPX4 |
| Battery Type | 2x CR2032 |
| Origin | Mainland China |
| Compatible Handlebar Diameter | 22.2-31.8mm |
8. User Tips
- The compact size and electric horn feature make it a convenient and effective safety accessory.
- The horn provides a loud and clear sound, which is crucial for safety, especially in busy environments.
- When riding in areas with heavy pedestrian or vehicle traffic, use short, clear horn blasts to alert others without causing undue alarm.
- Regularly check the battery level to ensure the horn is always ready for use.
9. Warranty and Support
For warranty information or technical support, please refer to the seller's policies or contact the point of purchase. Keep your proof of purchase for any warranty claims.
