Product Details:

Model: BK-41
Material: Aluminum Alloy+POM+silicone
Mode:5 Modes(Super Bright / Medium / Lowe / Strobe / SOS)
Waterproof: IPX5
Lamp: 4*T6
Brightness: 1800lm
Battery: 5000mAh
Inpute: Type-C charging, 5V-2A
Range: About 270M
Charging Time: About 4-5 hrs

Product Features:

1. Not only a bicycle light, it's also a flashlight, powre bank.
2. Different indicator lights reflect different states.
3. Aluminum alloy, good heat dissipation.
4. Durable/Anti-Fall, 270-meter long range, with near and far lighting.
5. Built-in 5000mAh battery, USB Charging, Large capacity battery.
6. Automatic power off after charging finish
7. High Brightness 1800ml, Low energy consumption.

BK-40:

Product Details:

Model: BK-40
Material: Aluminum Alloy+silicone
Mode:7 Modes
Waterproof: IPX4
Lamp: 4*T6
Brightness: 1200lm
Battery: 5200mAh(2*18650 batterries)
Inpute: Type-C charging, 5V-2A
Range: About 100-200M
Charging Time: About 4-5 hrs

Product Features:

1. Not only a bicycle light, it's also a flashlight, powre bank.
2. Small and portable, make your riding easier.
3. Aluminum alloy, good heat dissipation.
4. Durable/Anti-Fall, up to 200-meter long range, with near and far lighting.
5. Built-in 5200mAh battery, USB Charging, Large capacity battery.
6. Automatic power off after charging finish
7. High Brightness 1200ml, Low energy consumption.

Taillight images: