- Battery voltage:3.7V
- Lamp beads: 5*2835
- Battery:Built-in embedded polymer battery
- Battery Capacity:230mAh
- Charging Port: USB
- Run Time:4.5h
- Charging Time:0.5h
- Charging current:5V/0.5A
- Modes:4 modes (red light - red flashing - red bright flashing - red single flashing)
- Packing: flashlight(with built-in battery)+USB cable+ box
1.Portable and Compact：It's small and light, which can be easily placed on the rear of the bicycle, helmets and backpacks,etc.
2.4 Levels of Light Display:Full brightness/ Fast flashing/Slow flashing/Half brightness
3.Long Standby Time: 4.5 hours of standby time but only 0.5 hours of charge time.
4.Waterproof Level IP44: The BTL01 bicycle tail light can be used normally in rainy days.
step 1.Connect the bracket buckle to the tail light;
step 2.Insert the silicone fixing parts into the bracket buckle;
step3.After confirming the installation position, connect the silicone fixing accessories to the buckle;
step 4.After the installation is complete, long press the power button to turn on.