Product parameters:

Weight: 130g
Size: 91*75*51mm
Battery: 1400 mA
Use time: 10-20 hours
Charging time: 3 hours
Voltage: 5V/1A
Lighting mode: 5 modes
Lumens: 75 lumens
Waterproof: IPX-6

Features:

1. Brake sensor: turn on the bicycle tail light. When it senses the brake. Will enter the highlight mode for 3 seconds

2. Accident warning: When the bicycle fall to the ground. It will enter a 3 long and 2 short flash mode.

3. Light sensor: enter mode 5. When the surrounding light is sufficient. It will close after 3 seconds. When the surrounding environment becomes dark. It will light up within 5 seconds

4. When the bicycle fell to the ground. It will all light up and flash. To warn others

Please note:

If the seat tube is >28.6mm. There will be some gaps after installation. If the rubber ring cannot be used. Please use cable ties to install

Attention：

1. If the bicycle tail light has not been used for more than 3 months. Please charge it fully
2. It is not 100% waterproof. Please do not use it in the rain for a long time