The Lumos bicycle helmet is the first smart helmet to ever be produced. This award winning creation integrates lights, brake and turn signals into its sleek and stylish design. This helmets bright LED lights will make sure that you stay seen and safe on your travels. Signal lights are controlled with the Lumos handlebar remote. The Lumos’s built in sensor detects when you slow down and automatically switches all the rear brake lights on. 30 minutes use daily will have the battery charge last you about a week- charge is done via magnetic USB cable.