1. Produto rematadoview
The NineLeaf KS-SF31 is a versatile 5-in-1 bicycle taillight system designed to enhance cycling safety and security. It integrates a warning light, brake light, turn signals, electric bell, and an anti-theft vibration alarm into a single unit.

Imaxe 1.1: Acabadoview of the NineLeaf KS-SF31 Taillight features, including warning light, brake light, turn signal, electric bell, and anti-theft alarm, shown mounted on a bicycle.
Contido do paquete

Image 1.2: The package includes the Smart Bike Alarm Taillight, Remote Control, mounting brackets, silicone rings, USB-C charging cable, and installation screws.
Asegúrese de que todos os compoñentes estean presentes antes de continuar coa instalación.
2. Identificación de compoñentes

Imaxe 2.1: Detallada view of the remote control and the Smart Bike Alarm Taillight with key components labeled for easy identification.
Control remoto
- Arm/Disarm Button: Activates or deactivates the anti-theft alarm.
- Botón de modo de luz: Alterna ciclicamente entre diferentes modos de iluminación.
- Electric Bell Button: Activates the bicycle horn.
- Left Turn Light Button: Activates the left turn signal.
- Right Turn Light Button: Activates the right turn signal.
Luz traseira con alarma de bicicleta intelixente
- Botón de modo de luz/botón de emparejamento
- Red taillight
- Yellow left/right turn signal
- Taillight bracket
- Hold lock part
- Alarm loudspeaker
- USB-C 5V charge port
3. Configuración e instalación
Installing the Bike Alarm Taillight
- Place a silicone ring on the desired location of your bicycle's seat post.
- Insert the taillight bracket into the silicone ring, ensuring the contours align. Secure it firmly with the provided screw.
- Slide the bike alarm taillight into the taillight bracket until it locks into place.
Instalación do mando a distancia
- Place a silicone ring on the desired location of your bicycle's handlebar.
- Position the remote bracket around the silicone ring, aligning the contours. Secure it firmly with the provided screw.
- Press down and turn the remote control counter-clockwise onto the bracket until it locks into place.
4. Instrucións de funcionamento
4.1. Modos de iluminación
The taillight offers 6 distinct lighting modes, selectable via the remote control's Light Mode button.

Image 4.1: Visual representation of the six available lighting modes for the taillight, including various flashing and steady options.
- Parpadeo lento: Gentle, slow red flashes.
- Respiración: Light fades in and out smoothly.
- Parpadeante: Regular, rapid red flashes.
- Luz constante: Constant red illumination.
- Luz de emerxencia: Yellow flashing for high visibility.
- OFF: Turns the taillight off.
4.2. Brake Light and Turn Signals

Image 4.2: Demonstration of the automatic brake light activation and the visual indication of left and right turn signals.
- Luz de freo: When you brake or slow down, the taillight will automatically highlight for 2 seconds to alert following traffic.
- Sinais de giro: Press the right or left turn signal button on the remote before turning or changing lanes. The corresponding signal light will activate with an audible clicking sound. Remember to turn off the signal after completing your maneuver.
4.3. Anti-Theft Alarm and Electric Bell

Image 4.3: Visual explanation of the anti-theft alarm system, highlighting its 110dB sound and adjustable sensitivity levels.
- Alarma antirroubo: Activate the alarm using the Arm/Disarm button on the remote. If the bicycle detects vibration, a loud 110dB alarm will sound to deter theft. The alarm has 7 adjustable sensitivity levels, from gentle touch to significant impact.
- Electric Bell (Horn): Press the Electric Bell button on the remote to activate a 110dB horn sound from the taillight. This can be used to alert pedestrians or other cyclists. Three different horn sounds are available.
- Función de busca: The electric bell can also assist in locating your parked bicycle by activating the horn sound.
4.4. Smart Auto On/Off and Warning Light

Image 4.4: Illustration of the loud bike horn in use and the automatic warning light feature activating in low-light conditions like a tunnel.
- Activación/desactivación automática intelixente: In intelligent modes (Slow Flashing/Breathing), the taillight automatically turns on or off based on ambient brightness and motion. If you stop for more than 30 seconds in a dark environment, it will turn off to conserve power. It will automatically reactivate when motion is detected.
- Automatic Warning Light: The warning light will automatically illuminate when passing through tunnels or during night rides, enhancing visibility.
5. Mantemento
Carga da luz traseira
The taillight features a built-in 3.7V 2000mAh rechargeable battery. Use the provided USB-C 5V charging cable to charge the device. A full charge can provide up to 70 hours of operation in blinking light mode. A battery indicator is present during charging and when switching the taillight on/off.
Substitución da batería do mando a distancia
The remote control is powered by a replaceable CR2032 coin cell battery, which can last 3-5 years with typical use (30 activations per day). When the remote's performance diminishes, replace the CR2032 battery.
Resistencia á auga
The device has an IP64 waterproof rating, making it suitable for use in small to moderate rain. Avoid submerging the device in water.
Limpeza
Limpe a luz traseira e o mando a distancia cun toque suaveamp pano. Non use produtos de limpeza ou disolventes abrasivos.
6 Solución de problemas
- Taillight not turning on: Asegúrate de que a batería estea cargada. Conéctaa a unha fonte de alimentación USB-C e comproba o indicador da batería.
- O control remoto non responde: Check the CR2032 battery in the remote and replace if necessary. Ensure the remote is within the wireless range (30-60m) of the taillight.
- Alarm not activating: Ensure the alarm is armed. Check the sensitivity settings; adjust to a higher level if needed.
- Turn signals not working: Verify the remote control battery. Ensure the taillight is powered on.
- Autonomía curta da batería: Ensure the taillight is fully charged. Operating in steady light mode or frequent alarm activations will consume more power.
7. Especificacións
| Nome do modelo | KS-SF31 |
| Número de peza | NLD-AMA01-SF31-4PK |
| Marca | Nove follas |
| Material | Policarbonato |
| Cor | Negro |
| Fonte de enerxía | Alimentado por batería |
| Taillight Battery | 3.7V 2000mAh (Rechargeable) |
| Taillight Charging Port | Standard USB-C 5V |
| Batería de control remoto | CR2032 (substituíble) |
| distancia wireless | 30-60 m |
| Alarma sonora | Ata 110 dB |
| Number of Light Modes | 6 |
| Clasificación de resistencia á auga | IP64 |
| Tipo de montaxe | On bike seat post / under bike saddle |
| Temperatura de funcionamento | -40 °C a +60 °C (-40 °F a 140 °F) |
8. Garantía e soporte
For warranty information or technical support, please refer to the documentation included with your purchase or contact NineLeaf customer service. Keep your purchase receipt for warranty claims.
For further assistance, you may visit the official NineLeaf store: NineLeaf Store on Amazon.