Blackburn Lightset Central 100 Front & Rear 20; Central 100 Front Three LEDs emit 180degree of bright white light The large power button is easy to turn on/off whilst pedaling or wearing gloves The flexible silicone mount fits to any size handlebar Three light modes; 3.2hrs high (100 lumens), 7hrs low (50 lumens), 21hrs strobe (50 lumens) Micro USB (Universal Serial Bus) charging Central 20 Rear A bright, powerful, rechargeable LED rear light The two super bright LEDs emit a 20 lumen safety beam The large power button is easy to turn on/off whilst pedaling or wearing gloves The flexible silicone mount fits to all seatposts diameters & shapes Also has a versatile wire clip attachment that allows it to be fixed to shoulder straps, panniers or pockets Three light modes; 25hrs solid, 42 hrs steady flash, 76hrs strobe Only takes 4 hours to fully recharge