** Brake Light: Super bright braking light promptly provide warning people behind.

** Waterproof and dustproof: Against splashing water from any angle, riding in the rain never be a problem again.

** Mount System: Saddle mounting bracket and adjustable silicone strap provided, make the bicycle rear light flexible to quick install or detatch on bicycles. Very convenient to remove out from the bracket for recharging.

** Battery Life: Built-in 350mAh Polymer Lithium battery comes with a USB cord that charges from your computer, wall charger, power bank or any other device with a USB port. After charging for about 2 hours, the tail light can work for 10 - 30 hours in different modes.

** Auto/Manual Mode: Automatically turn on/off depending on the light intensity, braking and motion, Automatically switch to sleep mode to save power, press the button turn the cycling taillight on, then press button twice to change the different mode(auto sign turn on green light,auto mode op

** 6 Lighting Modes:

Constant
Fast Flash
Slow Flash
Rhythmic Flash
Breathing Flash
Endurance Flash
Model: GL09

* Waterproof: IP66

* Lighting Modes: 6

* Capacity: 250mAh

* Size: 32x30x32mm

* Brake Sensing: No

* Smart Light Mode: No

* Runtime: 10 to 100 hours

 Model: GL09S

* Waterproof: IP66

* Lighting Modes: 6

* Capacity: 400mAh

* Size: 32x30x32mm

* Brake Sensing: Yes

* Smart Light Mode: Yes

* Runtime: 12 to 60 hours

Package Included:

1 set of bicycle light

Note:
1. Manual measuring, please allow 1 ~ 3mm error,thank you.
2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the picture.
3. If you have any questions about this item, please contact us and we will try our best to serve you