1. Bubuka
This manual provides detailed instructions for the G Keni Smart Brake Sensing Rear Bike Light, Model Q5. Designed for enhanced cycling safety, this ultra-bright LED taillight features smart brake sensing, auto light sensing, and a durable aluminum alloy shell with IPX6 waterproofing. Please read this manual thoroughly before use to ensure proper operation and maintenance.
2. Fitur Produk
- Smart Brake Sensing: Automatically switches to high brightness for 5 seconds upon braking, alerting rear riders.
- Opat Modeu Cahaya: Normal Flash, Breathing Flash, Fast Flash, and Steady On modes for various riding conditions.
- Auto Light Sensing: Automatically turns on in darkness and off in daylight (applicable to Normal Flash and Breathing Flash modes).
- Panginderaan gerak: Auto-off after 30 seconds of no motion, and auto-on when motion is detected.
- Kacaangan adjustable: Max 120 Lumen, adjustable in Steady On mode by long-pressing the button.
- Hirup batré anu panjang: Built-in 400mAh Li-ion battery, offering up to 50 hours of runtime depending on settings.
- Konstruksi awét: Aluminum alloy shell with IPX6 waterproof and dustproof rating.
- USB Rechargeable: Convenient charging via USB port.

Gambar 2.1: Fitur konci Leuwihview
3. Eusi Paket
Punten parios yén sadaya barang aya dina pakét anjeun:
- G Keni Smart Brake Sensing Rear Bike Light (1 unit)
- Metal Mounting Bracket (for saddle mounting)
- Adjustable Silicone Strap (for seat post mounting)
- Kabel Ngecas USB
- Manual pangguna (dokumén ieu)
4. Setélan
4.1 Ngecas Batré
Before first use, fully charge the bike light. The device features a built-in 400mAh Li-ion battery.
- Panggihan port ngecas USB dina lampu.
- Connect the provided USB charging cable to the light and to a standard USB power source (e.g., computer USB port, wall adapter).
- The four blue indicator lights will show charging progress, each representing 25% capacity. All four lights will be solid when fully charged.

Gambar 4.1: Lokasi Port Pangecas USB
4.2 Pasang Lampu
The G Keni bike light offers two primary mounting options:
- Under the Saddle (with Metal Mounting Bracket):
- Attach the metal bracket to the saddle rails using the provided hardware.
- Slide the bike light onto the bracket until it securely clicks into place.
- To the Seat Post (with Adjustable Silicone Strap):
- Secure the silicone strap mount to your bike's seat post.
- Attach the bike light to the silicone strap mount. Ensure it is firmly attached and facing rearward.

Gambar 4.2: Pilihan Pamasangan
5. Parentah Operasi
5.1 Daya Hurung/Pareuman
Press and hold the power button located on the light to turn it on or off.
5.2 Ngaganti Modeu Lampu
Once powered on, short press the power button to cycle through the four available light modes:
- Normal Flash Mode
- Breathing Flash Mode
- Modeu Flash Gancang
- Steady On Mode

Figure 5.1: Light Modes and Battery Life
5.3 Fitur pinter
- Rem Sensing: The light automatically brightens to ultra-bright mode for 5 seconds when braking is detected.
- Light Sensing (Auto ON/OFF): In Normal Flash and Breathing Flash modes, the light will automatically turn off in bright conditions (daylight) and turn on in dark conditions. If you require the taillight to remain on during daytime, select Fast Flash or Steady On mode.
- Motion Sensing (Auto ON/OFF): The light will automatically turn off after 30 seconds of no motion. It will automatically turn back on when motion is detected.
- Adjusting Brightness (Steady On Mode): While in Steady On mode, long press the power button to adjust the brightness level.

Figure 5.2: Smart Sensing Functions
6. Pangropéa
- beberesih: Ngusap lampu ku hipu, damp lawon. Ulah make cleaners abrasive atawa pangleyur.
- Ngecas: Ngeusi batre sacara rutin, khususna upami lampuna moal dianggo kanggo waktos anu panjang, pikeun ngajaga kasehatan batré.
- Panyimpenan: Simpen lampu dina tempat anu tiis sareng garing upami henteu dianggo.
- Tahan cai: While IPX6 waterproof, avoid prolonged submersion in water. Ensure the USB port cover is securely closed to maintain water resistance.
7. Cara ngungkulan
| Masalah | Mungkin Cukang lantaranana | Solusi |
|---|---|---|
| Lampu henteu hurung. | Batré béak. | Ngecas lampu nganggo kabel USB anu disayogikeun. |
| Lampu pareum teu disangka-sangka. | Motion sensor activated auto-off. | Move the bike or tap the light to reactivate. |
| Light does not turn on in daylight. | Light sensing feature is active (Normal Flash/Breathing Flash modes). | Switch to Fast Flash or Steady On mode if daytime visibility is desired. |
| Sensor rem teu jalan. | Light not securely mounted or sensor obstructed. | Ensure light is firmly mounted and sensor area is clear. |
8. Spésifikasi
| Atribut | Rincian |
|---|---|
| merek | G Keni |
| Ngaran modél | Q5 |
| Warna | Beureum |
| Bahan | Aluminium, Plastik |
| Sumber Daya | Batré Powered |
| Kapasitas batré | 400mAh Li-ion (Built-in) |
| Tingkat Résistansi Cai | IPX6 |
| Item Beurat | 3 ons |
| Dimensi produk | 1.57 "L x 1.34" W x 1.34" H |
| Jumlah Setélan | 4 Modeu Lampu |
| Caang | Maksimum 120 Lumen |
| Tipe Pamasangan | Dudukan Korsi (Sadel atanapi Tiang Korsi) |
9. Garansi jeung Rojongan
G Keni provides a 12-garansi sasih for this product from the date of purchase. We also offer a 30 poé jaminan duit-balik. For any questions, concerns, or support needs, please contact our customer service team, available 24/7. Your satisfaction is our priority.
Contact information for support can typically be found on the product packaging or the official G Keni websitus.





