1. Product Overview
The XIAOKOA Smart Anti-theft Alarm EU-A2 is a versatile security device designed to protect your bicycle, motorcycle, electric vehicle, or scooter. It features a smart vibration sensor, a loud 115 dB alarm, wireless remote control, and IPX5 waterproofing. The device is USB rechargeable and offers customizable settings for sensitivity, volume, and ringtone effects.

Image: The smart anti-theft alarm unit mounted on a bicycle seat post, with red lightning bolts indicating vibration detection and alarm activation.
2. Package Contents
Please verify that all the following items are included in your package:
- XIAOKOA Smart Anti-theft Alarm Unit
- Wireless Remote Control
- USB Charging Cable (Type-C)
- Mounting Bracket and Accessories
- User Manual

Image: A top-down view of the package contents, including the alarm unit, remote control, charging cable, mounting hardware, and user manual.
3. Setup
3.1 Charging the Alarm Unit
Before initial use, fully charge the alarm unit. Connect the provided USB Type-C cable to the alarm unit's charging port and to a USB power source (e.g., computer, power bank, USB adapter). The power indicator lights will show the charging status and remaining battery level.

Image: The alarm unit connected to a laptop via a USB-C cable for charging, with blue indicator lights showing power status.
3.2 Mounting the Alarm Unit
The alarm unit can be mounted on various parts of your vehicle, such as the seat post or frame, using the provided bracket and ties. Ensure the unit is securely fastened and positioned where it can detect vibrations effectively without being easily removed.

Image: A close-up of the alarm unit securely mounted on a bicycle's seat post.
4. Operating Instructions
4.1 Arming and Disarming
- Arm: Press the lock button on the remote control once. The alarm will emit a confirmation sound, indicating it is armed.
- Disarm: Press the unlock button on the remote control once. The alarm will emit a confirmation sound, indicating it is disarmed.
4.2 Alarm Activation
When armed, if the alarm detects vibration or movement, it will emit a loud 115 dB sound to deter potential theft. The alarm will continue to sound until disarmed or the vibration stops.

Image: The alarm unit emitting red lightning bolts and sound waves as a person attempts to cut a bicycle lock, demonstrating its anti-theft function.
4.3 Vehicle Locator Function
In dark environments or crowded parking areas, press the bell button on the remote control to make the alarm unit emit a sound, helping you locate your vehicle quickly. The remote control has a range of 0 to 50 meters.

Image: A hand holding the wireless remote control, with a blue arrow indicating an 80m long-distance wireless remote control range, and red circles showing the signal reaching vehicles in a parking lot.
4.4 Customizing Settings
The alarm allows for personalized adjustments:
- Sensitivity Level: Adjust the vibration detection sensitivity to suit your environment.
- Volume: Choose from multiple volume levels for the alarm sound.
- Ringtone Effects: Select different ringtone effects for the alarm.
Refer to the detailed instructions in the included user manual for specific steps on how to enter the settings mode and make adjustments.

Image: The alarm unit mounted on a seat post, with text indicating 'MAX 115db', '3 Levels of Volume Adjustable', '5 Kinds of Ringtones for Choice', and '3 Levels of Sensitivity Adjustable'.
5. Maintenance
- Charging: Recharge the alarm unit regularly to ensure optimal performance. The 400 mAh battery provides extended use.
- Cleaning: Wipe the alarm unit with a soft, dry cloth. Avoid using harsh chemicals or abrasive materials.
- Water Resistance: The alarm is IPX5 waterproof, meaning it is resistant to water splashes and rain. However, avoid submerging it in water.
- Storage: When not in use for extended periods, store the alarm in a cool, dry place and ensure it is partially charged to preserve battery life.

Image: The alarm unit mounted on a bicycle seat post during rainfall, with a 'IPX5 WATERPROOF' icon, illustrating its water-resistant design.
6. Troubleshooting
- Alarm not sounding: Ensure the alarm is armed. Check battery level and recharge if necessary. Verify sensitivity settings are not too low.
- Remote control not working: Check the remote control's battery. Ensure you are within the 0-50 meter operating range. Re-pair the remote if necessary (refer to the full manual for pairing instructions).
- False alarms: Adjust the sensitivity setting to a lower level. Ensure the mounting is secure and not subject to excessive movement from wind or passing vehicles.
- Charging issues: Ensure the USB cable is properly connected to both the alarm unit and the power source. Try a different USB cable or power adapter.
7. Specifications
| Feature | Specification |
|---|---|
| Model Number | EU-A2 |
| Manufacturer | XIAOKOA |
| Alarm Decibels | 115 dB |
| Battery Type | 1 Lithium-polymer (400 mAh) |
| Charging Port | USB Type-C |
| Waterproof Rating | IPX5 |
| Remote Control Range | 0-50 meters |
| Item Weight | 168 g |
| Package Dimensions | 12.6 x 10.49 x 5.41 cm |
8. Warranty and Support
For warranty information, technical support, or any inquiries regarding your XIAOKOA Smart Anti-theft Alarm EU-A2, please contact XIAOKOA customer service directly. Contact details can typically be found on the product packaging or the official XIAOKOA website.