Produkt overview
The Onvian Smart Bike Tail Light is a versatile 5-in-1 device designed to enhance cycling safety and security. It integrates a tail light, turn signals, brake light, electric horn, and an anti-theft alarm into a single unit. This model is specifically designed for cargo rack mounting, providing clear visibility even when panniers are used.

Image: The Onvian Smart Bike Tail Light with its oval remote control, showcasing the main unit designed for cargo rack mounting.
Sikkerhedsoplysninger
- Ensure the device is securely mounted before each ride to prevent detachment.
- Always charge the device fully before first use to activate its functions.
- Do not disassemble or attempt to repair the device yourself, as this may void the warranty and cause damage.
- Hold enheden væk fra ekstreme temperaturer og direkte sollys i længere perioder.
- While the device is IP65 waterproof, avoid submerging it in water.
Pakkens indhold
Kontroller venligst, at alle komponenter er til stede i pakken:
- Onvian Smart Bike Tail Light Unit
- Wireless Remote Control (Oval)
- Cargo Rack Mounting Bracket
- Handlebar Mounting Bracket for Remote
- USB opladningskabel
- Installation Screws and Nuts
- Hex-nøgle
- Brugervejledning (dette dokument)

Image: All components included in the Onvian Smart Bike Tail Light package, laid out for inspection.
Opsætning og installation
Initial Activation (Important)
Before first use, the bike light must be charged to activate it. Connect the tail light to a USB power source using the provided USB cable. The charging indicator will illuminate. Once fully charged, the device is ready for use.
Tail Light Installation (Cargo Rack Mount)
- Identify the mounting holes on your bicycle's rear cargo rack. The bracket is compatible with bolt distances between 35-85mm.
- Place the tail light cargo rack bracket onto the cargo rack, aligning the holes.
- Thread the provided bolts through the bracket and rack, securing them with gaskets and nuts.
- Ensure the bracket is firmly installed and stable.
- Slide the tail light unit onto the installed cargo rack bracket until it clicks securely into place.

Image: A four-step visual guide demonstrating the process of installing the tail light onto a rear bike rack.
Installation af fjernbetjening
- Place the silicone ring of the remote bracket onto your bicycle's handlebar. The bracket is designed to fit handlebars with diameters between 0.78-0.94 inches.
- Install the bracket onto the handlebar, ensuring a snug fit.
- Fix the bracket with the provided screw using the hex key.
- Snap the remote control unit into the bracket clockwise until it is securely in place.

Image: A four-step visual guide demonstrating the process of installing the remote control onto the handlebar.
Betjeningsvejledning
Tænd/sluk
Press and hold the main button on the tail light unit for approximately 3 seconds to power it on or off.
Lystilstande
The tail light features 6 adjustable light modes. Short press the main button on the tail light unit to cycle through the modes:
- Langsomt blinkende
- Vejrtrækning
- Hurtigt blinkende
- Konstant lys
- Nødlys
- Slukket
The tail light is equipped with 31 high-lumen COB LEDs, providing up to 160 lumens of brightness for enhanced visibility during night riding.
Blinklys
Use the wireless remote control to activate the turn signals:
- Tryk på Venstre blinklys button on the remote to activate the left turn indicator.
- Tryk på Højre blinklys button on the remote to activate the right turn indicator.
- The turn signals will flash and emit an audible sound to alert surrounding traffic.
- Press the same turn signal button again to deactivate the signal.

Image: A visual representation of a bicycle using the left and right turn signals to indicate direction on a road.
Brake Light Function
The tail light features an auto-sensing brake light function. When deceleration is detected, the tail light will automatically illuminate brighter to signal braking to following vehicles and pedestrians.
Elektrisk Horn
The device includes an electric horn with 3 distinct sounds. Press the Horn button on the remote control to activate the horn. Cycle through the horn sounds by repeatedly pressing the horn button:
- Electric Car Sound
- Horn Lyd
- Birdcall Sound
Anti-tyveri alarm
To arm the anti-theft alarm:
- Ensure the tail light is powered off.
- Tryk på Låse button on the remote control. The tail light will flash once, indicating the alarm is armed.
- If the bicycle is moved or disturbed, the 110dB alarm will sound to deter theft.
To disarm the anti-theft alarm, press the Lås op knappen på fjernbetjeningen.
The alarm sensitivity can be adjusted to 7 levels. Refer to the detailed instructions in the included paper manual for specific steps on adjusting sensitivity.

Image: An illustration depicting the 110dB anti-theft alarm sounding on a bicycle, designed to deter potential thieves.
Opladning
The Onvian Smart Bike Tail Light is equipped with a built-in 2000mAh rechargeable battery. To charge the device:
- Locate the USB charging port on the tail light unit.
- Connect the provided USB cable to the tail light and a standard USB power adapter (not included), computer USB port, or power bank.
- En opladningsindikatorlampe viser opladningsstatus.
- En fuld opladning tager typisk cirka 7 timer.
- Once fully charged, the tail light can operate for up to 70+ hours, depending on the light mode and feature usage.
The wireless remote control uses a replaceable button cell battery. Refer to the remote control's specific instructions for battery replacement.
Opretholdelse
- Keep the tail light and remote control clean by wiping them with a soft, damp klæde. Undgå at bruge slibende rengøringsmidler eller opløsningsmidler.
- Ensure the USB charging port cover is securely closed when not charging to maintain the IP65 waterproof rating.
- Opbevar enheden et køligt og tørt sted, når den ikke er i brug i længere perioder.
- Regularly check the mounting brackets for tightness to ensure the device remains secure during rides.

Image: A cyclist riding in the rain, demonstrating the PC+ANTI UV material and IP65 waterproof and dustproof features of the tail light.
Fejlfinding
| Problem | Mulig årsag | Løsning |
|---|---|---|
| Tail light not responding to remote control commands. | Low battery in the tail light unit or remote control. | Fully charge the tail light unit. Replace the button cell battery in the remote control if necessary. |
| Alarmen er for følsom eller ikke følsom nok. | Alarm sensitivity setting is not optimal for the environment. | Adjust the alarm sensitivity level (7 levels available) according to the instructions in the detailed paper manual. |
| Tail light does not turn on after initial setup. | Device not activated. | Ensure the device has been fully charged at least once to activate it. |
Specifikationer
| Feature | Detalje |
|---|---|
| Modelnavn | SF-31 |
| Farve | Sort |
| Materiale | Plast (PC+ABS) |
| Strømkilde | Batteridrevet (USB genopladelig) |
| Batterikapacitet | 2000mAh |
| Vandmodstandsniveau | IP65 vandtæt |
| Monteringstype | Cargo Rack Mount (35-85mm bolt distancing) |
| Lysstyrke | 160 Lumen |
| Alarmvolumen | Op til 110dB |
| Fjernbetjenings rækkevidde | Op til 70 m / 229 fod |
| Emne Pakke Dimensioner | 5.43 x 3.58 x 2.64 tommer |
| Pakkevægt | 0.37 kilo |
Garanti og support
This Onvian Smart Bike Tail Light comes with a 1 års garanti fra købsdatoen, dækker fabrikationsfejl. Gem venligst din købsbevis i tilfælde af garantikrav.
For technical support, troubleshooting assistance, or warranty inquiries, please contact Onvian customer service through their official channels or visit the Onvian-butik på Amazon.




