The Cateye Volt 200 Xc has a 200 lumens bright white beam pattern to keep you noticeable from far away. A convenient top button lets you cycle through the 3 different modes depending on the conditions youre riding in. Quick & easy to charge using a computer, laptop or USB (Universal Serial Bus) wall plug. The Cateye rapid mini rear compliments the Volt 200 Xc with 25 lumens of red light from 3 leds that last up to 30hrs to warn on coming vehicles youre in front. Fully USB (Universal Serial Bus) chargeable the rapid mini can last upto 30 hrs without the need to be charged.