Bicycle Powerful Front Light
Hight advanced technology of light and 5 different siren sound. Smart light dimmer changes according to different outside light. Automatic turn off once you stop to rest and turn on once you start cycling again. Contain powerful led of 800 lumens support by 4000 mAh built-in battery. The light stays on about 6 hours on highlight mode up to 20 hours on low light mode. You can be sure to use it every day as it also IPX6 Waterproof.