1. Pengenalan
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. Ciri-ciri Produk
- Smart Brake Sensing: Automatically switches to high brightness for 5 seconds upon braking, alerting rear riders.
- Empat Mod 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).
- Penderiaan Pergerakan: Auto-off after 30 seconds of no motion, and auto-on when motion is detected.
- Kecerahan boleh laras: Max 120 Lumen, adjustable in Steady On mode by long-pressing the button.
- Hayat Bateri yang Panjang: Built-in 400mAh Li-ion battery, offering up to 50 hours of runtime depending on settings.
- Pembinaan Tahan Lama: Aluminum alloy shell with IPX6 waterproof and dustproof rating.
- USB boleh dicas semula: Convenient charging via USB port.

Rajah 2.1: Ciri Utama Berakhirview
3. Kandungan Pakej
Sila sahkan bahawa semua item terdapat dalam pakej anda:
- G Keni Smart Brake Sensing Rear Bike Light (1 unit)
- Metal Mounting Bracket (for saddle mounting)
- Adjustable Silicone Strap (for seat post mounting)
- Kabel Pengecas USB
- Manual Pengguna (dokumen ini)
4. Persediaan
4.1 Mengecas Bateri
Before first use, fully charge the bike light. The device features a built-in 400mAh Li-ion battery.
- Cari port pengecasan USB pada 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.

Rajah 4.1: Lokasi Port Pengecasan USB
4.2 Memasang Cahaya
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.

Rajah 4.2: Pilihan Pemasangan
5. Arahan Operasi
5.1 Hidupkan/Mati Kuasa
Press and hold the power button located on the light to turn it on or off.
5.2 Menukar Mod Cahaya
Once powered on, short press the power button to cycle through the four available light modes:
- Normal Flash Mode
- Breathing Flash Mode
- Mod Denyar Pantas
- Steady On Mode

Figure 5.1: Light Modes and Battery Life
5.3 Ciri Pintar
- Penderiaan Brek: 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. Penyelenggaraan
- Pembersihan: Lap cahaya dengan lembut, damp kain. Jangan gunakan pembersih atau pelarut yang melelas.
- mengecas: Cas semula bateri secara berkala, terutamanya jika lampu tidak akan digunakan untuk tempoh yang lama, untuk mengekalkan kesihatan bateri.
- Storan: Simpan cahaya di tempat yang sejuk dan kering apabila tidak digunakan.
- Tahan Air: While IPX6 waterproof, avoid prolonged submersion in water. Ensure the USB port cover is securely closed to maintain water resistance.
7. Penyelesaian masalah
| Masalah | Kemungkinan Punca | Penyelesaian |
|---|---|---|
| Cahaya tidak menyala. | Bateri habis. | Cas lampu menggunakan kabel USB yang disediakan. |
| Lampu terpadam tanpa diduga. | 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. |
| Brake sensing not working. | Lampu tidak dipasang dengan selamat atau sensor terhalang. | Ensure light is firmly mounted and sensor area is clear. |
8. Spesifikasi
| Atribut | Perincian |
|---|---|
| Jenama | G Keni |
| Nama Model | Q5 |
| warna | merah |
| bahan | Aluminium, Plastik |
| Sumber Kuasa | Dikuasakan Bateri |
| Kapasiti Bateri | Li-ion 400mAh (Terbina dalam) |
| Tahap Ketahanan Air | IPX6 |
| Berat Barang | 3 Auns |
| Dimensi Produk | 1.57"L x 1.34"W x 1.34"H |
| Bilangan Tetapan | 4 Mod Cahaya |
| Kecerahan | Max 120 Lumen |
| Jenis Pemasangan | Seat Mount (Saddle or Seat Post) |
9. Waranti dan Sokongan
G Keni provides a Waranti 12 bulan for this product from the date of purchase. We also offer a Jaminan wang dikembalikan 30 hari. 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 webtapak.





