Blackburn: 360 DEGREE VISIBILITY Give yourself peace of mind on your bike rides with the Blackburn 200 Lumen Premium Bicycle Light Set. This light set promotes visibility on the road in low-light conditions, while the advanced lens design and reflector optics diffuse light in the front, rear and sides. The 200 Lumen headlight features a USB rechargeable battery for long-lasting use, while the 6 Lumen tail light includes CR-2032 batteries. FEATURES200 Lumen headlight based on ANSI FL-1 test protocols features advanced beam technology that creates a focused center beam to see and a wider outer beam for greater visibility.6 Lumen tail light produces a diffused beam pattern that allows others to better see you.Headlight with USB recharging and fuel-gauge power button signals remaining power. reserve means no batteries to buy (Micro-USB charging cable included). Tail Light includes CR2032 batteries.Durable, silicone strap for quick no-tools front and rear light installation.Headlight features 4 modes (run time: 2hrs Steady Hi-Beam, 2.5hrs Steady Lo-Beam, 6.5hrs Flashing, 9.5hrs Strobe).