Nite rider solas 150 rear lightnite riders solas 150 delivers the everyday reliable performance you require from a rear light the light features 4 modes an easy onoff seat post strap mount with quick release tab group ride mode for cyclists who want to stay visible but not distract others in the pack low battery indicator and it is usb rechargeable making it ideal for commuters and cycling enthusiasts alike powerful rear lightthe nite rider solas 150 incorporates two powerful leds to pr