Features:- Made of flexible silicone， water resistant and durable
- Easy and quick to install and remove without any other tool
- Two super bright LEDs enhance brightness， 20000 millicandela lumens
- Increase cycling safety in the morning or evening， even in cloudy or raining day
- 2 button cells CR2032 included， can last for a long time
- Two lighting modes， long flashing light and fast flashing light
- Can be fixed on the handle bar， seat pole， helmets， backpacks， wheel hubs， etc. Package weight: 0.074 kg
Product Size(L x W x H): 4.00 x 3.00 x 3.00 cm / 1.57 x 1.18 x 1.18 inches
Package Size(L x W x H): 7.00 x 3.50 x 3.50 cm / 2.76 x 1.38 x 1.38 inches Package Contents: 2 x Bike Light