NightBlazr is lightweight, coming in at only 220g.
NightBlazr uses electroluminescence for both front and rear illumination. It is designed to be seen and not to see with. It measures 310 LUX when turned on.
On a full charge in slow flash mode will last 12+ hours. Subject to temperature and mode settings.
Simply use the reusable straps supplied and feed through your helmets vent holes front and back.
As long as your helmet has vents at the front and back it should fit.
No, one size fits all.
NightBlazr is designed to be a supplement and NOT a replacement to regular bike mounted front and back lights. Certain countries, states, and cities have laws that require cyclists to have bike mounted front and back lights at all times. Please ensure that you are aware of, and comply with your local laws.
Front or rear helmet lights can be used in addition to but not in place of lights on your bike.