The E3 Pure 3 has three amazing features: it’s sleek, bright and lightweight. In fact, it is one of the smallest and brightest dynamo lights with an aluminum body that is approved for use on German roads. With no switch, the E3 PURE 3 runs non-stop, which means that you hardly ever need to think about it – unless you exceed the LED’s lifespan of over 100 years. So with this light, you are in safe hands, day and night. The Terraflux 2 lens is unique and allows Supernova to produce lights that function both at night and as daytime running light. They eliminated unnecessary electronics and additional LEDs in order to add a minimalistic light to their dynamo light series.